31422960859 has 2 divisors, whose sum is σ = 31422960860. Its totient is φ = 31422960858.

The previous prime is 31422960851. The next prime is 31422960923. The reversal of 31422960859 is 95806922413.

It is a weak prime.

It is an emirp because it is prime and its reverse (95806922413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31422960859 - 2³ = 31422960851 is a prime.

It is not a weakly prime, because it can be changed into another prime (31422960851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711480429 + 15711480430.

It is an arithmetic number, because the mean of its divisors is an integer number (15711480430).

Almost surely, 2^31422960859 is an apocalyptic number.

31422960859 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422960859 is an equidigital number, since it uses as much as digits as its factorization.

31422960859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 31422960859 in words is "thirty-one billion, four hundred twenty-two million, nine hundred sixty thousand, eight hundred fifty-nine".