317320567 has 2 divisors, whose sum is σ = 317320568. Its totient is φ = 317320566.

The previous prime is 317320543. The next prime is 317320571. The reversal of 317320567 is 765023713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317320567 - 2¹⁵ = 317287799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317320517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158660283 + 158660284.

It is an arithmetic number, because the mean of its divisors is an integer number (158660284).

Almost surely, 2^317320567 is an apocalyptic number.

317320567 is a deficient number, since it is larger than the sum of its proper divisors (1).

317320567 is an equidigital number, since it uses as much as digits as its factorization.

317320567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 317320567 is about 17813.4939582329. The cubic root of 317320567 is about 682.0759562292.

The spelling of 317320567 in words is "three hundred seventeen million, three hundred twenty thousand, five hundred sixty-seven".