331284172 has 12 divisors (see below), whose sum is σ = 580020616. Its totient is φ = 165564000.

The previous prime is 331284167. The next prime is 331284179. The reversal of 331284172 is 271482133.

331284172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (331284179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9393 + ... + 27400.

Almost surely, 2^331284172 is an apocalyptic number.

It is an amenable number.

331284172 is a deficient number, since it is larger than the sum of its proper divisors (248736444).

331284172 is a wasteful number, since it uses less digits than its factorization.

331284172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39048 (or 39046 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 331284172 is about 18201.2134760296. The cubic root of 331284172 is about 691.9375437857.

The spelling of 331284172 in words is "three hundred thirty-one million, two hundred eighty-four thousand, one hundred seventy-two".