316020443317 has 2 divisors, whose sum is σ = 316020443318. Its totient is φ = 316020443316.

The previous prime is 316020443311. The next prime is 316020443327. The reversal of 316020443317 is 713344020613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305420917201 + 10599526116 = 552649^2 + 102954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316020443317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316020443311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158010221658 + 158010221659.

It is an arithmetic number, because the mean of its divisors is an integer number (158010221659).

Almost surely, 2^316020443317 is an apocalyptic number.

It is an amenable number.

316020443317 is a deficient number, since it is larger than the sum of its proper divisors (1).

316020443317 is an equidigital number, since it uses as much as digits as its factorization.

316020443317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 316020443317 in words is "three hundred sixteen billion, twenty million, four hundred forty-three thousand, three hundred seventeen".