331232 has 24 divisors (see below), whose sum is σ = 712152. Its totient is φ = 150400.

The previous prime is 331231. The next prime is 331241. The reversal of 331232 is 232133.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331232.

It is not an unprimeable number, because it can be changed into a prime (331231) 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, 119 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (29673).

2³³¹²³² is an apocalyptic number.

331232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331232 is an abundant number, since it is smaller than the sum of its proper divisors (380920).

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

331232 is a wasteful number, since it uses less digits than its factorization.

331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 954 counting only the distinct ones).

The product of its digits is 108, while the sum is 14.

The square root of 331232 is about 575.5275840479. The cubic root of 331232 is about 69.1901218818.

Adding to 331232 its reverse (232133), we get a palindrome (563365).

Subtracting from 331232 its reverse (232133), we obtain a palindrome (99099).

The spelling of 331232 in words is "three hundred thirty-one thousand, two hundred thirty-two".