313343307617 has 2 divisors, whose sum is σ = 313343307618. Its totient is φ = 313343307616.

The previous prime is 313343307601. The next prime is 313343307619. The reversal of 313343307617 is 716703343313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223160815201 + 90182492416 = 472399^2 + 300304^2 .

It is a cyclic number.

It is not a de Polignac number, because 313343307617 - 2⁴ = 313343307601 is a prime.

Together with 313343307619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313343307619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156671653808 + 156671653809.

It is an arithmetic number, because the mean of its divisors is an integer number (156671653809).

Almost surely, 2^313343307617 is an apocalyptic number.

It is an amenable number.

313343307617 is a deficient number, since it is larger than the sum of its proper divisors (1).

313343307617 is an equidigital number, since it uses as much as digits as its factorization.

313343307617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 41.

The spelling of 313343307617 in words is "three hundred thirteen billion, three hundred forty-three million, three hundred seven thousand, six hundred seventeen".