317320499 has 2 divisors, whose sum is σ = 317320500. Its totient is φ = 317320498.

The previous prime is 317320483. The next prime is 317320517. The reversal of 317320499 is 994023713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317320499 - 2⁴ = 317320483 is a prime.

It is not a weakly prime, because it can be changed into another prime (317320099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158660249 + 158660250.

It is an arithmetic number, because the mean of its divisors is an integer number (158660250).

Almost surely, 2^317320499 is an apocalyptic number.

317320499 is a deficient number, since it is larger than the sum of its proper divisors (1).

317320499 is an equidigital number, since it uses as much as digits as its factorization.

317320499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 317320499 is about 17813.4920495674. The cubic root of 317320499 is about 682.0759075075.

The spelling of 317320499 in words is "three hundred seventeen million, three hundred twenty thousand, four hundred ninety-nine".