317808713 has 2 divisors, whose sum is σ = 317808714. Its totient is φ = 317808712.

The previous prime is 317808703. The next prime is 317808731.

317808713 is nontrivially palindromic in base 10.

Together with next prime (317808731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308248249 + 9560464 = 17557^2 + 3092^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 317808713 - 2⁴ = 317808697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (317808703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158904356 + 158904357.

It is an arithmetic number, because the mean of its divisors is an integer number (158904357).

Almost surely, 2^317808713 is an apocalyptic number.

It is an amenable number.

317808713 is a deficient number, since it is larger than the sum of its proper divisors (1).

317808713 is an equidigital number, since it uses as much as digits as its factorization.

317808713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 317808713 is about 17827.1902721657. The cubic root of 317808713 is about 682.4255312846.

The spelling of 317808713 in words is "three hundred seventeen million, eight hundred eight thousand, seven hundred thirteen".