317105507 has 2 divisors, whose sum is σ = 317105508. Its totient is φ = 317105506.

The previous prime is 317105491. The next prime is 317105557. The reversal of 317105507 is 705501713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317105507 - 2⁴ = 317105491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317105507.

It is not a weakly prime, because it can be changed into another prime (317105557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158552753 + 158552754.

It is an arithmetic number, because the mean of its divisors is an integer number (158552754).

Almost surely, 2^317105507 is an apocalyptic number.

317105507 is a deficient number, since it is larger than the sum of its proper divisors (1).

317105507 is an equidigital number, since it uses as much as digits as its factorization.

317105507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 317105507 is about 17807.4565000171. The cubic root of 317105507 is about 681.9218319551.

The spelling of 317105507 in words is "three hundred seventeen million, one hundred five thousand, five hundred seven".