318700634421 has 48 divisors (see below), whose sum is σ = 476081854976. Its totient is φ = 188507112192.

The previous prime is 318700634389. The next prime is 318700634443. The reversal of 318700634421 is 124436007813.

It is not a de Polignac number, because 318700634421 - 2⁵ = 318700634389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 318700634421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318700634491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7292391 + ... + 7335963.

Almost surely, 2^318700634421 is an apocalyptic number.

It is an amenable number.

318700634421 is a deficient number, since it is larger than the sum of its proper divisors (157381220555).

318700634421 is a wasteful number, since it uses less digits than its factorization.

318700634421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43870 (or 43841 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 318700634421 in words is "three hundred eighteen billion, seven hundred million, six hundred thirty-four thousand, four hundred twenty-one".