31 = treinta y uno
How it's spelled
In Spanish, the number 31 is written as treinta y uno.
Example sentences
Tengo treinta y uno libros (31).
I have 31 books.
Hay treinta y uno personas en la sala (31).
There are 31 people in the room.
Pagué treinta y uno euros (31€).
I paid 31 euros.
El número favorito de María es el treinta y uno (31).
María's favourite number is 31.
Faltan treinta y uno días (31).
There are 31 days to go.
Related numbers
Frequently asked questions
How do you say 31 in Spanish?+
31 in Spanish is "treinta y uno". Tap the audio button above to hear it pronounced by a native-style voice.
How do you spell 31 in Spanish?+
The number 31 is spelled "treinta y uno" in Spanish.
What's the easiest way to learn Spanish numbers?+
Practise them in chunks (0–10, 11–20, tens, hundreds) and use them in real situations like prices, dates and phone numbers. SPEAKZY drills numbers with audio and spaced repetition so they stick.
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