313012320017 has 2 divisors, whose sum is σ = 313012320018. Its totient is φ = 313012320016.

The previous prime is 313012319891. The next prime is 313012320031. The reversal of 313012320017 is 710023210313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299970908416 + 13041411601 = 547696^2 + 114199^2 .

It is an emirp because it is prime and its reverse (710023210313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313012320017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313012319974 and 313012320001.

It is not a weakly prime, because it can be changed into another prime (313012320077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506160008 + 156506160009.

It is an arithmetic number, because the mean of its divisors is an integer number (156506160009).

Almost surely, 2^313012320017 is an apocalyptic number.

It is an amenable number.

313012320017 is a deficient number, since it is larger than the sum of its proper divisors (1).

313012320017 is an equidigital number, since it uses as much as digits as its factorization.

313012320017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 313012320017 in words is "three hundred thirteen billion, twelve million, three hundred twenty thousand, seventeen".