331074920 has 64 divisors (see below), whose sum is σ = 816013440. Its totient is φ = 119891200.

The previous prime is 331074911. The next prime is 331074967. The reversal of 331074920 is 29470133.

It is a super-2 number, since 2×331074920² = 219221205306012800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 114290 + ... + 117150.

It is an arithmetic number, because the mean of its divisors is an integer number (12750210).

Almost surely, 2^331074920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331074920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408006720).

331074920 is an abundant number, since it is smaller than the sum of its proper divisors (484938520).

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

331074920 is a wasteful number, since it uses less digits than its factorization.

331074920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 3142 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 331074920 is about 18195.4642699767. The cubic root of 331074920 is about 691.7918281910.

The spelling of 331074920 in words is "three hundred thirty-one million, seventy-four thousand, nine hundred twenty".