313304031457 has 2 divisors, whose sum is σ = 313304031458. Its totient is φ = 313304031456.

The previous prime is 313304031451. The next prime is 313304031479. The reversal of 313304031457 is 754130403313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285053481216 + 28250550241 = 533904^2 + 168079^2 .

It is a cyclic number.

It is not a de Polignac number, because 313304031457 - 2³ = 313304031449 is a prime.

It is a super-2 number, since 2×313304031457² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313304031451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156652015728 + 156652015729.

It is an arithmetic number, because the mean of its divisors is an integer number (156652015729).

Almost surely, 2^313304031457 is an apocalyptic number.

It is an amenable number.

313304031457 is a deficient number, since it is larger than the sum of its proper divisors (1).

313304031457 is an equidigital number, since it uses as much as digits as its factorization.

313304031457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 313304031457 in words is "three hundred thirteen billion, three hundred four million, thirty-one thousand, four hundred fifty-seven".