31016929859 has 2 divisors, whose sum is σ = 31016929860. Its totient is φ = 31016929858.

The previous prime is 31016929759. The next prime is 31016929871. The reversal of 31016929859 is 95892961013.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31016929859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31016929859.

It is not a weakly prime, because it can be changed into another prime (31016929759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15508464929 + 15508464930.

It is an arithmetic number, because the mean of its divisors is an integer number (15508464930).

Almost surely, 2^31016929859 is an apocalyptic number.

31016929859 is a deficient number, since it is larger than the sum of its proper divisors (1).

31016929859 is an equidigital number, since it uses as much as digits as its factorization.

31016929859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 31016929859 in words is "thirty-one billion, sixteen million, nine hundred twenty-nine thousand, eight hundred fifty-nine".