How to Say “Thirty One” in Spanish

treinta y uno
/tɾeinta i uno/from spelling rules
The English phrase 'thirty one' is translated into Spanish as treinta y uno.
treinta y uno is used to express the number that follows thirty and precedes thirty-two.

What does it mean word for word?

The phrase is composed of treinta (thirty), y (and) and uno (one).

How does it change in a sentence?

The form of the number changes depending on the gender of the noun it precedes. When treinta y uno precedes a masculine noun, the uno drops its final vowel and becomes treinta y un. When it precedes a feminine noun, uno changes to treinta y una.

How do you pronounce it?

/tɾeinta i uno/

Did you know?

  • The word uno is a cognate of the Russian word 'один' and the French word 'un'. These all trace back to the same Proto-Indo-European root for 'one'.

Examples in context

  • Tiene treinta y uno.
    He's thirty-one.
    This sentence is useful for expressing a person's age using treinta y uno.
    Tatoeba #4638361 by cueyayotl, translation #12299694 by Miktsoanit
  • He escrito todos los números hasta el treinta y uno.
    I've written down all the numbers up to thirty-one.
    This sentence is useful for describing a sequence of numbers up to treinta y uno.
    Tatoeba #772576 by cueyayotl, translation #772604 by BraveSentry
  • Algunos meses tienen treinta días, otros, treinta y uno.
    Some months have thirty days, others thirty one.
    This sentence is useful for describing the number of days in certain months using treinta y uno.
    Tatoeba #2246260 by topofabi, translation #706803 by darinmex
  • Mi cumpleaños es el treinta y uno de mayo.
    My birthday is on the thirty first of May.
  • 1 more sentence on Tatoeba

Example conversation

Daniel and Elena are talking about a calendar.

  1. Daniel

    Hoy es el treinta y uno de octubre.
    Today is October thirty one.
  2. Elena

    Mañana empieza noviembre entonces.
    Tomorrow November starts then.
  3. Daniel

    Sí, faltan pocos días para Halloween.
    Yes, there are few days left until Halloween.
  4. Elena

    Tengo que comprar un disfraz pronto.
    I have to buy a costume soon.

Sources

  • IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
  • Word origins: Wiktionary entries treinta, uno, y, CC BY-SA 4.0.
  • Example sentences: Tatoeba CC BY 2.0 FR.
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Layla Ann
Layla AnnHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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