316724317517 has 4 divisors (see below), whose sum is σ = 316854284796. Its totient is φ = 316594350240.

The previous prime is 316724317471. The next prime is 316724317541. The reversal of 316724317517 is 715713427613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 217915310596 + 98809006921 = 466814^2 + 314339^2 .

It is a cyclic number.

It is not a de Polignac number, because 316724317517 - 2¹⁶ = 316724251981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316724317577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64979984 + ... + 64984857.

It is an arithmetic number, because the mean of its divisors is an integer number (79213571199).

Almost surely, 2^316724317517 is an apocalyptic number.

It is an amenable number.

316724317517 is a deficient number, since it is larger than the sum of its proper divisors (129967279).

316724317517 is a wasteful number, since it uses less digits than its factorization.

316724317517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129967278.

The product of its digits is 740880, while the sum is 47.

The spelling of 316724317517 in words is "three hundred sixteen billion, seven hundred twenty-four million, three hundred seventeen thousand, five hundred seventeen".