317142313 has 2 divisors, whose sum is σ = 317142314. Its totient is φ = 317142312.

The previous prime is 317142311. The next prime is 317142317. The reversal of 317142313 is 313241713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280998169 + 36144144 = 16763^2 + 6012^2 .

It is a cyclic number.

It is not a de Polignac number, because 317142313 - 2¹ = 317142311 is a prime.

Together with 317142311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (317142311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158571156 + 158571157.

It is an arithmetic number, because the mean of its divisors is an integer number (158571157).

Almost surely, 2^317142313 is an apocalyptic number.

It is an amenable number.

317142313 is a deficient number, since it is larger than the sum of its proper divisors (1).

317142313 is an equidigital number, since it uses as much as digits as its factorization.

317142313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 317142313 is about 17808.4899135216. The cubic root of 317142313 is about 681.9482141775.

The spelling of 317142313 in words is "three hundred seventeen million, one hundred forty-two thousand, three hundred thirteen".