132313231 has 4 divisors (see below), whose sum is σ = 132421432. Its totient is φ = 132205032.

The previous prime is 132313219. The next prime is 132313241.

132313231 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132313231 - 2⁵ = 132313199 is a prime.

It is a super-2 number, since 2×132313231² = 35013582195318722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132313199 and 132313208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132313201) 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, 52245 + ... + 54718.

It is an arithmetic number, because the mean of its divisors is an integer number (33105358).

Almost surely, 2^132313231 is an apocalyptic number.

132313231 is a deficient number, since it is larger than the sum of its proper divisors (108201).

132313231 is a wasteful number, since it uses less digits than its factorization.

132313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108200.

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

The square root of 132313231 is about 11502.7488453847. The cubic root of 132313231 is about 509.5667613827.

The spelling of 132313231 in words is "one hundred thirty-two million, three hundred thirteen thousand, two hundred thirty-one".