30879462931 has 2 divisors, whose sum is σ = 30879462932. Its totient is φ = 30879462930.

The previous prime is 30879462863. The next prime is 30879463031. The reversal of 30879462931 is 13926497803.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30879462931 is a prime.

It is a super-2 number, since 2×30879462931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30879462431) 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 as a sum of consecutive naturals, namely, 15439731465 + 15439731466.

It is an arithmetic number, because the mean of its divisors is an integer number (15439731466).

Almost surely, 2^30879462931 is an apocalyptic number.

30879462931 is a deficient number, since it is larger than the sum of its proper divisors (1).

30879462931 is an equidigital number, since it uses as much as digits as its factorization.

30879462931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 30879462931 in words is "thirty billion, eight hundred seventy-nine million, four hundred sixty-two thousand, nine hundred thirty-one".