31422612036779 has 2 divisors, whose sum is σ = 31422612036780. Its totient is φ = 31422612036778.

The previous prime is 31422612036773. The next prime is 31422612036817. The reversal of 31422612036779 is 97763021622413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31422612036779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31422612036779.

It is not a weakly prime, because it can be changed into another prime (31422612036773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711306018389 + 15711306018390.

It is an arithmetic number, because the mean of its divisors is an integer number (15711306018390).

Almost surely, 2^{31422612036779} is an apocalyptic number.

31422612036779 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422612036779 is an equidigital number, since it uses as much as digits as its factorization.

31422612036779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 31422612036779 in words is "thirty-one trillion, four hundred twenty-two billion, six hundred twelve million, thirty-six thousand, seven hundred seventy-nine".