313505716317 has 16 divisors (see below), whose sum is σ = 421308119232. Its totient is φ = 207354392960.

The previous prime is 313505716309. The next prime is 313505716319. The reversal of 313505716317 is 713617505313.

It is a cyclic number.

It is not a de Polignac number, because 313505716317 - 2³ = 313505716309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313505716319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437553 + ... + 1641209.

It is an arithmetic number, because the mean of its divisors is an integer number (26331757452).

Almost surely, 2^313505716317 is an apocalyptic number.

It is an amenable number.

313505716317 is a deficient number, since it is larger than the sum of its proper divisors (107802402915).

313505716317 is a wasteful number, since it uses less digits than its factorization.

313505716317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207708.

The product of its (nonzero) digits is 198450, while the sum is 42.

The spelling of 313505716317 in words is "three hundred thirteen billion, five hundred five million, seven hundred sixteen thousand, three hundred seventeen".