231332 has 12 divisors (see below), whose sum is σ = 408576. Its totient is φ = 114600.

The previous prime is 231331. The next prime is 231347. The reversal of 231332 is 233132.

231332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (231331) 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, 413 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (34048).

2²³¹³³² is an apocalyptic number.

It is an amenable number.

231332 is a deficient number, since it is larger than the sum of its proper divisors (177244).

231332 is a wasteful number, since it uses less digits than its factorization.

231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

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

The square root of 231332 is about 480.9698535251. The cubic root of 231332 is about 61.3873054637.

Adding to 231332 its reverse (233132), we get a palindrome (464464).

The spelling of 231332 in words is "two hundred thirty-one thousand, three hundred thirty-two".