30879463031 has 2 divisors, whose sum is σ = 30879463032. Its totient is φ = 30879463030.

The previous prime is 30879462931. The next prime is 30879463033. The reversal of 30879463031 is 13036497803.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30879463031 is a prime.

It is a super-2 number, since 2×30879463031² (a number of 22 digits) contains 22 as substring.

Together with 30879463033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30879463033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15439731515 + 15439731516.

It is an arithmetic number, because the mean of its divisors is an integer number (15439731516).

Almost surely, 2^30879463031 is an apocalyptic number.

30879463031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30879463031 is an equidigital number, since it uses as much as digits as its factorization.

30879463031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 30879463031 in words is "thirty billion, eight hundred seventy-nine million, four hundred sixty-three thousand, thirty-one".