132231331 has 4 divisors (see below), whose sum is σ = 134472600. Its totient is φ = 129990064.

The previous prime is 132231313. The next prime is 132231353. The reversal of 132231331 is 133132231.

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 132231331 - 2¹³ = 132223139 is a prime.

It is a super-2 number, since 2×132231331² = 34970249796063122, 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 = 132231299 and 132231308.

It is not an unprimeable number, because it can be changed into a prime (132231371) 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, 1120546 + ... + 1120663.

It is an arithmetic number, because the mean of its divisors is an integer number (33618150).

Almost surely, 2^132231331 is an apocalyptic number.

132231331 is a deficient number, since it is larger than the sum of its proper divisors (2241269).

132231331 is an equidigital number, since it uses as much as digits as its factorization.

132231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241268.

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

The square root of 132231331 is about 11499.1882757002. The cubic root of 132231331 is about 509.4616015000.

Adding to 132231331 its reverse (133132231), we get a palindrome (265363562).

The spelling of 132231331 in words is "one hundred thirty-two million, two hundred thirty-one thousand, three hundred thirty-one".