317314643 has 2 divisors, whose sum is σ = 317314644. Its totient is φ = 317314642.

The previous prime is 317314633. The next prime is 317314651. The reversal of 317314643 is 346413713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317314643 - 2⁶ = 317314579 is a prime.

It is not a weakly prime, because it can be changed into another prime (317314633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158657321 + 158657322.

It is an arithmetic number, because the mean of its divisors is an integer number (158657322).

Almost surely, 2^317314643 is an apocalyptic number.

317314643 is a deficient number, since it is larger than the sum of its proper divisors (1).

317314643 is an equidigital number, since it uses as much as digits as its factorization.

317314643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 317314643 is about 17813.3276790161. The cubic root of 317314643 is about 682.0717116854.

The spelling of 317314643 in words is "three hundred seventeen million, three hundred fourteen thousand, six hundred forty-three".