132231213 has 48 divisors (see below), whose sum is σ = 208166400. Its totient is φ = 80680320.

The previous prime is 132231173. The next prime is 132231217. The reversal of 132231213 is 312132231.

It is not a de Polignac number, because 132231213 - 2²¹ = 130134061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132231217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 477231 + ... + 477507.

It is an arithmetic number, because the mean of its divisors is an integer number (4336800).

Almost surely, 2^132231213 is an apocalyptic number.

It is an amenable number.

132231213 is a deficient number, since it is larger than the sum of its proper divisors (75935187).

132231213 is a wasteful number, since it uses less digits than its factorization.

132231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

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

The square root of 132231213 is about 11499.1831449021. The cubic root of 132231213 is about 509.4614499563.

Adding to 132231213 its reverse (312132231), we get a palindrome (444363444).

The spelling of 132231213 in words is "one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".