31 in Roman Numerals
XXXI
31 in Roman numerals is XXXI, and is spelled thirty-one.
How 31 breaks down
To write 31 in Roman numerals, combine XXX (30) and I (1) to get XXXI.
| Value | Roman |
|---|---|
| 30 | XXX |
| 1 | I |
| 31 | XXXI |
You can open 31 in the converter or browse the full Roman numerals chart.