231112100312 has 16 divisors (see below), whose sum is σ = 433355065800. Its totient is φ = 115550749440.

The previous prime is 231112100309. The next prime is 231112100339. The reversal of 231112100312 is 213001211132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474137 + ... + 828872.

Almost surely, 2^231112100312 is an apocalyptic number.

It is an amenable number.

231112100312 is a deficient number, since it is larger than the sum of its proper divisors (202242965488).

231112100312 is a wasteful number, since it uses less digits than its factorization.

231112100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325186 (or 1325182 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231112100312 its reverse (213001211132), we get a palindrome (444113311444).

The spelling of 231112100312 in words is "two hundred thirty-one billion, one hundred twelve million, one hundred thousand, three hundred twelve".