31916409590627 has 2 divisors, whose sum is σ = 31916409590628. Its totient is φ = 31916409590626.

The previous prime is 31916409590491. The next prime is 31916409590633. The reversal of 31916409590627 is 72609590461913.

It is a strong prime.

It is an emirp because it is prime and its reverse (72609590461913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31916409590627 - 2³² = 31912114623331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31916409590627.

It is not a weakly prime, because it can be changed into another prime (31916409590677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15958204795313 + 15958204795314.

It is an arithmetic number, because the mean of its divisors is an integer number (15958204795314).

Almost surely, 2^{31916409590627} is an apocalyptic number.

31916409590627 is a deficient number, since it is larger than the sum of its proper divisors (1).

31916409590627 is an equidigital number, since it uses as much as digits as its factorization.

31916409590627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 31916409590627 in words is "thirty-one trillion, nine hundred sixteen billion, four hundred nine million, five hundred ninety thousand, six hundred twenty-seven".