The number 231 is an integer that follows 230 and precedes 232. It is an odd number and can be expressed as the sum of three consecutive integers: 76 + 77 + 78 = 231. In mathematics, 231 can be factored into prime numbers as 3 × 7 × 11. It is also notable in various contexts, such as in area codes or as a reference in numerology, where it may hold specific meanings or significance.