316638985513 has 8 divisors (see below), whose sum is σ = 326892740096. Its totient is φ = 306387705600.

The previous prime is 316638985511. The next prime is 316638985517. The reversal of 316638985513 is 315589836613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316638985513 - 2¹ = 316638985511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316638985511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356856 + ... + 872137.

It is an arithmetic number, because the mean of its divisors is an integer number (40861592512).

Almost surely, 2^316638985513 is an apocalyptic number.

It is an amenable number.

316638985513 is a deficient number, since it is larger than the sum of its proper divisors (10253754583).

316638985513 is a wasteful number, since it uses less digits than its factorization.

316638985513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237335.

The product of its digits is 13996800, while the sum is 58.

The spelling of 316638985513 in words is "three hundred sixteen billion, six hundred thirty-eight million, nine hundred eighty-five thousand, five hundred thirteen".