331133320 has 64 divisors (see below), whose sum is σ = 878976000. Its totient is φ = 109866240.

The previous prime is 331133303. The next prime is 331133417. The reversal of 331133320 is 23331133.

It is a super-2 number, since 2×331133320² = 219298551228444800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10395 + ... + 27754.

It is an arithmetic number, because the mean of its divisors is an integer number (13734000).

Almost surely, 2^331133320 is an apocalyptic number.

It is an amenable number.

331133320 is an abundant number, since it is smaller than the sum of its proper divisors (547842680).

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

331133320 is a wasteful number, since it uses less digits than its factorization.

331133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38198 (or 38194 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 331133320 is about 18197.0689947585. The cubic root of 331133320 is about 691.8325020335.

Adding to 331133320 its reverse (23331133), we get a palindrome (354464453).

The spelling of 331133320 in words is "three hundred thirty-one million, one hundred thirty-three thousand, three hundred twenty".