31460607257 has 2 divisors, whose sum is σ = 31460607258. Its totient is φ = 31460607256.

The previous prime is 31460607251. The next prime is 31460607323. The reversal of 31460607257 is 75270606413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27393229081 + 4067378176 = 165509^2 + 63776^2 .

It is a cyclic number.

It is not a de Polignac number, because 31460607257 - 2¹⁸ = 31460345113 is a prime.

It is not a weakly prime, because it can be changed into another prime (31460607251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730303628 + 15730303629.

It is an arithmetic number, because the mean of its divisors is an integer number (15730303629).

Almost surely, 2^31460607257 is an apocalyptic number.

It is an amenable number.

31460607257 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460607257 is an equidigital number, since it uses as much as digits as its factorization.

31460607257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 31460607257 in words is "thirty-one billion, four hundred sixty million, six hundred seven thousand, two hundred fifty-seven".