132331312 has 20 divisors (see below), whose sum is σ = 264663616. Its totient is φ = 64031040.

The previous prime is 132331289. The next prime is 132331319. The reversal of 132331312 is 213133231.

132331312 is an admirable number.

It is a super-2 number, since 2×132331312² = 35023152271282688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132331312.

It is not an unprimeable number, because it can be changed into a prime (132331319) 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, 132903 + ... + 133894.

Almost surely, 2^132331312 is an apocalyptic number.

It is an amenable number.

132331312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

132331312 is a wasteful number, since it uses less digits than its factorization.

132331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266836 (or 266830 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 132331312 is about 11503.5347611071. The cubic root of 132331312 is about 509.5899716011.

Adding to 132331312 its reverse (213133231), we get a palindrome (345464543).

The spelling of 132331312 in words is "one hundred thirty-two million, three hundred thirty-one thousand, three hundred twelve".