331048928 has 24 divisors (see below), whose sum is σ = 744860592. Its totient is φ = 141878016.

The previous prime is 331048919. The next prime is 331048957. The reversal of 331048928 is 829840133.

It is a junction number, because it is equal to n+sod(n) for n = 331048891 and 331048900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738725 + ... + 739172.

It is an arithmetic number, because the mean of its divisors is an integer number (31035858).

Almost surely, 2^331048928 is an apocalyptic number.

It is an amenable number.

331048928 is an abundant number, since it is smaller than the sum of its proper divisors (413811664).

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

331048928 is a wasteful number, since it uses less digits than its factorization.

331048928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477914 (or 1477906 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 331048928 is about 18194.7500120227. The cubic root of 331048928 is about 691.7737240070.

The spelling of 331048928 in words is "three hundred thirty-one million, forty-eight thousand, nine hundred twenty-eight".