12031

12031 is a natural number that follows 12030 and precedes 12032. It is an odd composite integer with prime factorization 12031 = 53 × 227. Because it is the product of two distinct primes, 12031 is a semiprime and square-free.

The positive divisors of 12031 are 1, 53, 227, and 12031. The sum of proper divisors is 281, which is less than 12031, so the number is classified as deficient. Euler's totient function yields φ(12031) = (53 − 1)(227 − 1) = 52 × 226 = 11,752. The Möbius function μ(12031) = 1, reflecting its status as a product of two distinct primes.

In numeral systems, 12031 is written in hexadecimal as 0x2EFF and in binary as 10111011111111. The digit sum in base ten is 1 + 2 + 0 + 3 + 1 = 7. Beyond these arithmetic properties, 12031 has no widely noted special significance in mathematics, culture, or history.