31456057292651 has 2 divisors, whose sum is σ = 31456057292652. Its totient is φ = 31456057292650.

The previous prime is 31456057292599. The next prime is 31456057292659. The reversal of 31456057292651 is 15629275065413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31456057292651 - 2²² = 31456053098347 is a prime.

It is not a weakly prime, because it can be changed into another prime (31456057292659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15728028646325 + 15728028646326.

It is an arithmetic number, because the mean of its divisors is an integer number (15728028646326).

Almost surely, 2^{31456057292651} is an apocalyptic number.

31456057292651 is a deficient number, since it is larger than the sum of its proper divisors (1).

31456057292651 is an equidigital number, since it uses as much as digits as its factorization.

31456057292651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 31456057292651 in words is "thirty-one trillion, four hundred fifty-six billion, fifty-seven million, two hundred ninety-two thousand, six hundred fifty-one".