The equivalent of 31 as a Roman numeral is XXXI
XXXI is the Roman numeral for the number 31.
As a Roman numeral 31 is XXXI
XXXI
31
It is 31 in Hindu-Arabic numerals
31 in Roman numerals is XXXI which is equivalent to: 10+10+10+1 = 31
XXXI.VIII.MMXII
31.
XXXl ? 31
If you mean XXXI then it is equivalent to 31
January 31st, 1992 was a Friday.