12313132232 has 16 divisors (see below), whose sum is σ = 24445189260. Its totient is φ = 5794415104.

The previous prime is 12313132217. The next prime is 12313132261. The reversal of 12313132232 is 23223131321.

It can be written as a sum of positive squares in 2 ways, for example, as 12045940516 + 267191716 = 109754^2 + 16346^2 .

It is a super-2 number, since 2×12313132232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313132198 and 12313132207.

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, 45268733 + ... + 45269004.

Almost surely, 2^12313132232 is an apocalyptic number.

It is an amenable number.

12313132232 is a deficient number, since it is larger than the sum of its proper divisors (12132057028).

12313132232 is a wasteful number, since it uses less digits than its factorization.

12313132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90537760 (or 90537756 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 12313132232 its reverse (23223131321), we get a palindrome (35536263553).

The spelling of 12313132232 in words is "twelve billion, three hundred thirteen million, one hundred thirty-two thousand, two hundred thirty-two".