30957346812 has 72 divisors (see below), whose sum is σ = 85178258256. Its totient is φ = 8723780352.

The previous prime is 30957346769. The next prime is 30957346853. The reversal of 30957346812 is 21864375903.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 317683 + ... + 403530.

It is a 1-persistent number, because it is pandigital, but 2⋅30957346812 = 61914693624 is not.

Almost surely, 2^30957346812 is an apocalyptic number.

It is an amenable number.

30957346812 is an abundant number, since it is smaller than the sum of its proper divisors (54220911444).

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

30957346812 is a wasteful number, since it uses less digits than its factorization.

30957346812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721307 (or 721298 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 30957346812 in words is "thirty billion, nine hundred fifty-seven million, three hundred forty-six thousand, eight hundred twelve".