313421369 has 2 divisors, whose sum is σ = 313421370. Its totient is φ = 313421368.

The previous prime is 313421341. The next prime is 313421411. The reversal of 313421369 is 963124313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187690000 + 125731369 = 13700^2 + 11213^2 .

It is a cyclic number.

It is not a de Polignac number, because 313421369 - 2⁸ = 313421113 is a prime.

It is a super-2 number, since 2×313421369² = 196465909091668322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313421309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156710684 + 156710685.

It is an arithmetic number, because the mean of its divisors is an integer number (156710685).

Almost surely, 2^313421369 is an apocalyptic number.

It is an amenable number.

313421369 is a deficient number, since it is larger than the sum of its proper divisors (1).

313421369 is an equidigital number, since it uses as much as digits as its factorization.

313421369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 313421369 is about 17703.7105997585. The cubic root of 313421369 is about 679.2706778329.

The spelling of 313421369 in words is "three hundred thirteen million, four hundred twenty-one thousand, three hundred sixty-nine".