320320317432 has 16 divisors (see below), whose sum is σ = 800800793640. Its totient is φ = 106773439136.

The previous prime is 320320317413. The next prime is 320320317467. The reversal of 320320317432 is 234713023023.

It is a self number, because there is not a number n which added to its sum of digits gives 320320317432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6673339923 + ... + 6673339970.

Almost surely, 2^320320317432 is an apocalyptic number.

It is an amenable number.

320320317432 is an abundant number, since it is smaller than the sum of its proper divisors (480480476208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320320317432 is a wasteful number, since it uses less digits than its factorization.

320320317432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346679902 (or 13346679898 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 30.

The spelling of 320320317432 in words is "three hundred twenty billion, three hundred twenty million, three hundred seventeen thousand, four hundred thirty-two".