316305317 has 2 divisors, whose sum is σ = 316305318. Its totient is φ = 316305316.

The previous prime is 316305271. The next prime is 316305323. The reversal of 316305317 is 713503613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251888641 + 64416676 = 15871^2 + 8026^2 .

It is a cyclic number.

It is not a de Polignac number, because 316305317 - 2⁸ = 316305061 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316305317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316305337) 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, 158152658 + 158152659.

It is an arithmetic number, because the mean of its divisors is an integer number (158152659).

Almost surely, 2^316305317 is an apocalyptic number.

It is an amenable number.

316305317 is a deficient number, since it is larger than the sum of its proper divisors (1).

316305317 is an equidigital number, since it uses as much as digits as its factorization.

316305317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 316305317 is about 17784.9744728521. The cubic root of 316305317 is about 681.3477573487.

The spelling of 316305317 in words is "three hundred sixteen million, three hundred five thousand, three hundred seventeen".