The number "1231" can refer to various contexts, including dates, numerical values, or codes. In a historical context, it may represent the year 1231, which was notable for events such as the establishment of the University of Paris as a significant center of learning in Europe. In mathematics, "1231" is an integer that follows 1230 and precedes 1232. It is an odd number and can be factored into prime numbers, specifically 11 and 112. Additionally, "1231" may appear in various coding systems or as a reference number in different fields.