30812975564 has 48 divisors (see below), whose sum is σ = 66193344000. Its totient is φ = 12510520848.

The previous prime is 30812975509. The next prime is 30812975569. The reversal of 30812975564 is 46557921803.

It is a happy number.

It is a super-2 number, since 2×30812975564² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30812975569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564944 + ... + 617079.

It is an arithmetic number, because the mean of its divisors is an integer number (1379028000).

It is a 1-persistent number, because it is pandigital, but 2⋅30812975564 = 61625951128 is not.

Almost surely, 2^30812975564 is an apocalyptic number.

It is an amenable number.

30812975564 is an abundant number, since it is smaller than the sum of its proper divisors (35380368436).

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

30812975564 is a wasteful number, since it uses less digits than its factorization.

30812975564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182067 (or 1182051 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 30812975564 in words is "thirty billion, eight hundred twelve million, nine hundred seventy-five thousand, five hundred sixty-four".