320427131268 has 24 divisors (see below), whose sum is σ = 754522605760. Its totient is φ = 105829143840.

The previous prime is 320427131257. The next prime is 320427131281. The reversal of 320427131268 is 862131724023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122486128 + ... + 122488743.

Almost surely, 2^320427131268 is an apocalyptic number.

It is an amenable number.

320427131268 is an abundant number, since it is smaller than the sum of its proper divisors (434095474492).

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

320427131268 is a wasteful number, since it uses less digits than its factorization.

320427131268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244974987 (or 244974985 counting only the distinct ones).

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

The spelling of 320427131268 in words is "three hundred twenty billion, four hundred twenty-seven million, one hundred thirty-one thousand, two hundred sixty-eight".