31311130132979 has 2 divisors, whose sum is σ = 31311130132980. Its totient is φ = 31311130132978.

The previous prime is 31311130132949. The next prime is 31311130133053. The reversal of 31311130132979 is 97923103111313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31311130132979 - 2²⁴ = 31311113355763 is a prime.

It is not a weakly prime, because it can be changed into another prime (31311130132949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15655565066489 + 15655565066490.

It is an arithmetic number, because the mean of its divisors is an integer number (15655565066490).

Almost surely, 2^{31311130132979} is an apocalyptic number.

31311130132979 is a deficient number, since it is larger than the sum of its proper divisors (1).

31311130132979 is an equidigital number, since it uses as much as digits as its factorization.

31311130132979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 44.

The spelling of 31311130132979 in words is "thirty-one trillion, three hundred eleven billion, one hundred thirty million, one hundred thirty-two thousand, nine hundred seventy-nine".