31
31 in Roman numerals is represented as "XXXI".
31-03-1987 in roman numerals are XXXI-III-MDCCCCLXXXVII or XXXI-III-VXMMII.
XXXI is the number 31 in Roman numerals.
31.12.12 in Roman numerals is XXXI . XII . XII
X-XXXI-MMVIII
31 in Roman numerals is represented as "XXXI".
31-03-1987 in roman numerals are XXXI-III-MDCCCCLXXXVII or XXXI-III-VXMMII.
XXXI is the number 31 in Roman numerals.
31.12.12 in Roman numerals is XXXI . XII . XII
X-XXXI-MMVIII
It is: X-XXXI-XII
31 = XXXI
XXX is three tens and I is one, so XXXI is 31
If you mean: MCMLXXXI then in today's usage of Roman numerals they represent 1981 but the ancient Romans probably wrote then out quite differently.
I-XXXI-XCV
XXXI-I-MMX
XXXI = 31