31465256441 has 2 divisors, whose sum is σ = 31465256442. Its totient is φ = 31465256440.

The previous prime is 31465256411. The next prime is 31465256483. The reversal of 31465256441 is 14465256413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20994850816 + 10470405625 = 144896^2 + 102325^2 .

It is a cyclic number.

It is not a de Polignac number, because 31465256441 - 2⁶ = 31465256377 is a prime.

It is not a weakly prime, because it can be changed into another prime (31465256411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15732628220 + 15732628221.

It is an arithmetic number, because the mean of its divisors is an integer number (15732628221).

Almost surely, 2^31465256441 is an apocalyptic number.

It is an amenable number.

31465256441 is a deficient number, since it is larger than the sum of its proper divisors (1).

31465256441 is an equidigital number, since it uses as much as digits as its factorization.

31465256441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 41.

The spelling of 31465256441 in words is "thirty-one billion, four hundred sixty-five million, two hundred fifty-six thousand, four hundred forty-one".