312232311232 has 28 divisors (see below), whose sum is σ = 619636567176. Its totient is φ = 156103412480.

The previous prime is 312232311221. The next prime is 312232311283. The reversal of 312232311232 is 232113232213.

It is a junction number, because it is equal to n+sod(n) for n = 312232311197 and 312232311206.

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, 617007 + ... + 1002577.

Almost surely, 2^312232311232 is an apocalyptic number.

312232311232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312232311232 is a deficient number, since it is larger than the sum of its proper divisors (307404255944).

312232311232 is a wasteful number, since it uses less digits than its factorization.

312232311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398236 (or 398226 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 312232311232 its reverse (232113232213), we get a palindrome (544345543445).

The spelling of 312232311232 in words is "three hundred twelve billion, two hundred thirty-two million, three hundred eleven thousand, two hundred thirty-two".