132231231 has 32 divisors (see below), whose sum is σ = 214410240. Its totient is φ = 79876800.

The previous prime is 132231223. The next prime is 132231259. The reversal of 132231231 is 132132231.

132231231 is a `hidden beast` number, since 1 + 322 + 312 + 31 = 666.

It is not a de Polignac number, because 132231231 - 2³ = 132231223 is a prime.

It is a super-2 number, since 2×132231231² = 34970196903550722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132231031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127491 + ... + 128523.

It is an arithmetic number, because the mean of its divisors is an integer number (6700320).

Almost surely, 2^132231231 is an apocalyptic number.

132231231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132231231 is a deficient number, since it is larger than the sum of its proper divisors (82179009).

132231231 is a wasteful number, since it uses less digits than its factorization.

132231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1478 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 132231231 is about 11499.1839275663. The cubic root of 132231231 is about 509.4614730731.

Adding to 132231231 its reverse (132132231), we get a palindrome (264363462).

The spelling of 132231231 in words is "one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirty-one".