308831442864 has 80 divisors (see below), whose sum is σ = 912226613760. Its totient is φ = 88195115520.

The previous prime is 308831442853. The next prime is 308831442889. The reversal of 308831442864 is 468244138803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481909 + ... + 921899.

It is an arithmetic number, because the mean of its divisors is an integer number (11402832672).

Almost surely, 2^308831442864 is an apocalyptic number.

It is an amenable number.

308831442864 is an abundant number, since it is smaller than the sum of its proper divisors (603395170896).

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

308831442864 is a wasteful number, since it uses less digits than its factorization.

308831442864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442098 (or 442092 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 308831442864 in words is "three hundred eight billion, eight hundred thirty-one million, four hundred forty-two thousand, eight hundred sixty-four".