431213132 has 36 divisors (see below), whose sum is σ = 924036120. Its totient is φ = 175077504.

The previous prime is 431213129. The next prime is 431213147. The reversal of 431213132 is 231312134.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54173 + ... + 61620.

It is an arithmetic number, because the mean of its divisors is an integer number (25667670).

Almost surely, 2^431213132 is an apocalyptic number.

It is an amenable number.

431213132 is an abundant number, since it is smaller than the sum of its proper divisors (492822988).

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

431213132 is a wasteful number, since it uses less digits than its factorization.

431213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115830 (or 115821 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 431213132 is about 20765.6719611960. The cubic root of 431213132 is about 755.4933734132.

Adding to 431213132 its reverse (231312134), we get a palindrome (662525266).

The spelling of 431213132 in words is "four hundred thirty-one million, two hundred thirteen thousand, one hundred thirty-two".