313242317 has 2 divisors, whose sum is σ = 313242318. Its totient is φ = 313242316.

The previous prime is 313242301. The next prime is 313242329. The reversal of 313242317 is 713242313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187936681 + 125305636 = 13709^2 + 11194^2 .

It is a cyclic number.

It is not a de Polignac number, because 313242317 - 2⁴ = 313242301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313242617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156621158 + 156621159.

It is an arithmetic number, because the mean of its divisors is an integer number (156621159).

Almost surely, 2^313242317 is an apocalyptic number.

It is an amenable number.

313242317 is a deficient number, since it is larger than the sum of its proper divisors (1).

313242317 is an equidigital number, since it uses as much as digits as its factorization.

313242317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 313242317 is about 17698.6529713422. The cubic root of 313242317 is about 679.1413014795.

The spelling of 313242317 in words is "three hundred thirteen million, two hundred forty-two thousand, three hundred seventeen".