311264913457 has 2 divisors, whose sum is σ = 311264913458. Its totient is φ = 311264913456.

The previous prime is 311264913389. The next prime is 311264913467. The reversal of 311264913457 is 754319462113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284711885056 + 26553028401 = 533584^2 + 162951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311264913457 is a prime.

It is not a weakly prime, because it can be changed into another prime (311264913467) 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, 155632456728 + 155632456729.

It is an arithmetic number, because the mean of its divisors is an integer number (155632456729).

Almost surely, 2^311264913457 is an apocalyptic number.

It is an amenable number.

311264913457 is a deficient number, since it is larger than the sum of its proper divisors (1).

311264913457 is an equidigital number, since it uses as much as digits as its factorization.

311264913457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The spelling of 311264913457 in words is "three hundred eleven billion, two hundred sixty-four million, nine hundred thirteen thousand, four hundred fifty-seven".