130312111320232 has 32 divisors (see below), whose sum is σ = 253410331005000. Its totient is φ = 62747574523648.

The previous prime is 130312111320227. The next prime is 130312111320239. The reversal of 130312111320232 is 232023111213031.

It can be written as a sum of positive squares in 4 ways, for example, as 69708906862596 + 60603204457636 = 8349186^2 + 7784806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130312111320197 and 130312111320206.

It is not an unprimeable number, because it can be changed into a prime (130312111320239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721876507 + ... + 722057002.

Almost surely, 2^{130312111320232} is an apocalyptic number.

It is an amenable number.

130312111320232 is a deficient number, since it is larger than the sum of its proper divisors (123098219684768).

130312111320232 is a wasteful number, since it uses less digits than its factorization.

130312111320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443933933 (or 1443933929 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 130312111320232 its reverse (232023111213031), we get a palindrome (362335222533263).

The spelling of 130312111320232 in words is "one hundred thirty trillion, three hundred twelve billion, one hundred eleven million, three hundred twenty thousand, two hundred thirty-two".