313213357 has 2 divisors, whose sum is σ = 313213358. Its totient is φ = 313213356.

The previous prime is 313213301. The next prime is 313213489. The reversal of 313213357 is 753312313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190136521 + 123076836 = 13789^2 + 11094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313213357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313213757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156606678 + 156606679.

It is an arithmetic number, because the mean of its divisors is an integer number (156606679).

Almost surely, 2^313213357 is an apocalyptic number.

It is an amenable number.

313213357 is a deficient number, since it is larger than the sum of its proper divisors (1).

313213357 is an equidigital number, since it uses as much as digits as its factorization.

313213357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 28.

The square root of 313213357 is about 17697.8348110722. The cubic root of 313213357 is about 679.1203714229.

The spelling of 313213357 in words is "three hundred thirteen million, two hundred thirteen thousand, three hundred fifty-seven".