321132 has 24 divisors (see below), whose sum is σ = 856576. Its totient is φ = 91728.

The previous prime is 321109. The next prime is 321143. The reversal of 321132 is 231123.

It is a happy number.

It is a super-2 number, since 2×321132² = 206251522848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828 + ... + 1995.

2³²¹¹³² is an apocalyptic number.

It is an amenable number.

321132 is an abundant number, since it is smaller than the sum of its proper divisors (535444).

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

321132 is a wasteful number, since it uses less digits than its factorization.

321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837 (or 3835 counting only the distinct ones).

The product of its digits is 36, while the sum is 12.

The square root of 321132 is about 566.6850977395. The cubic root of 321132 is about 68.4795968147.

Adding to 321132 its reverse (231123), we get a palindrome (552255).

Subtracting from 321132 its reverse (231123), we obtain a palindrome (90009).

The spelling of 321132 in words is "three hundred twenty-one thousand, one hundred thirty-two".