30890160975 has 24 divisors (see below), whose sum is σ = 51081162640. Its totient is φ = 16471710720.

The previous prime is 30890160967. The next prime is 30890160989. The reversal of 30890160975 is 57906109803.

It is not a de Polignac number, because 30890160975 - 2³ = 30890160967 is a prime.

It is a super-2 number, since 2×30890160975² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405087 + ... + 475263.

Almost surely, 2^30890160975 is an apocalyptic number.

30890160975 is a deficient number, since it is larger than the sum of its proper divisors (20191001665).

30890160975 is a wasteful number, since it uses less digits than its factorization.

30890160975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76059 (or 76054 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 30890160975 in words is "thirty billion, eight hundred ninety million, one hundred sixty thousand, nine hundred seventy-five".