31011132979 has 2 divisors, whose sum is σ = 31011132980. Its totient is φ = 31011132978.

The previous prime is 31011132953. The next prime is 31011133003. The reversal of 31011132979 is 97923111013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31011132979 - 2⁷ = 31011132851 is a prime.

It is not a weakly prime, because it can be changed into another prime (31011132949) 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, 15505566489 + 15505566490.

It is an arithmetic number, because the mean of its divisors is an integer number (15505566490).

Almost surely, 2^31011132979 is an apocalyptic number.

31011132979 is a deficient number, since it is larger than the sum of its proper divisors (1).

31011132979 is an equidigital number, since it uses as much as digits as its factorization.

31011132979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 37.

The spelling of 31011132979 in words is "thirty-one billion, eleven million, one hundred thirty-two thousand, nine hundred seventy-nine".