312530556132 has 36 divisors (see below), whose sum is σ = 797677782720. Its totient is φ = 103165425072.

The previous prime is 312530556109. The next prime is 312530556161. The reversal of 312530556132 is 231655035213.

312530556132 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 30 + 5 + 5 + 613 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42139032 + ... + 42146447.

Almost surely, 2^312530556132 is an apocalyptic number.

It is an amenable number.

312530556132 is an abundant number, since it is smaller than the sum of its proper divisors (485147226588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312530556132 is a wasteful number, since it uses less digits than its factorization.

312530556132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84285592 (or 84285587 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 312530556132 in words is "three hundred twelve billion, five hundred thirty million, five hundred fifty-six thousand, one hundred thirty-two".