313317457 has 2 divisors, whose sum is σ = 313317458. Its totient is φ = 313317456.

The previous prime is 313317439. The next prime is 313317491. The reversal of 313317457 is 754713313.

It is an a-pointer prime, because the next prime (313317491) can be obtained adding 313317457 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255008961 + 58308496 = 15969^2 + 7636^2 .

It is a cyclic number.

It is not a de Polignac number, because 313317457 - 2²⁷ = 179099729 is a prime.

It is not a weakly prime, because it can be changed into another prime (313317757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156658728 + 156658729.

It is an arithmetic number, because the mean of its divisors is an integer number (156658729).

Almost surely, 2^313317457 is an apocalyptic number.

It is an amenable number.

313317457 is a deficient number, since it is larger than the sum of its proper divisors (1).

313317457 is an equidigital number, since it uses as much as digits as its factorization.

313317457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 34.

The square root of 313317457 is about 17700.7756044756. The cubic root of 313317457 is about 679.1956008667.

The spelling of 313317457 in words is "three hundred thirteen million, three hundred seventeen thousand, four hundred fifty-seven".