331423032 has 16 divisors (see below), whose sum is σ = 828557640. Its totient is φ = 110474336.

The previous prime is 331423019. The next prime is 331423033. The reversal of 331423032 is 230324133.

It is a super-2 number, since 2×331423032² = 219682452280146048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331423033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6904623 + ... + 6904670.

Almost surely, 2^331423032 is an apocalyptic number.

It is an amenable number.

331423032 is an abundant number, since it is smaller than the sum of its proper divisors (497134608).

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

331423032 is a wasteful number, since it uses less digits than its factorization.

331423032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809302 (or 13809298 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 331423032 is about 18205.0276572160. The cubic root of 331423032 is about 692.0342070475.

Adding to 331423032 its reverse (230324133), we get a palindrome (561747165).

The spelling of 331423032 in words is "three hundred thirty-one million, four hundred twenty-three thousand, thirty-two".