30957475913 has 16 divisors (see below), whose sum is σ = 38109340416. Its totient is φ = 24488792640.

The previous prime is 30957475889. The next prime is 30957475919. The reversal of 30957475913 is 31957475903.

It is not a de Polignac number, because 30957475913 - 2¹² = 30957471817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30957475919) 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, 446420 + ... + 511082.

It is an arithmetic number, because the mean of its divisors is an integer number (2381833776).

Almost surely, 2^30957475913 is an apocalyptic number.

It is an amenable number.

30957475913 is a deficient number, since it is larger than the sum of its proper divisors (7151864503).

30957475913 is a wasteful number, since it uses less digits than its factorization.

30957475913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69944.

The product of its (nonzero) digits is 3572100, while the sum is 53.

The spelling of 30957475913 in words is "thirty billion, nine hundred fifty-seven million, four hundred seventy-five thousand, nine hundred thirteen".