432131231 has 8 divisors (see below), whose sum is σ = 519857280. Its totient is φ = 350903448.

The previous prime is 432131221. The next prime is 432131237. The reversal of 432131231 is 132131234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 432131231 - 2¹⁰ = 432130207 is a prime.

It is a super-2 number, since 2×432131231² = 373474801611150722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432131237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624421 + ... + 1624686.

It is an arithmetic number, because the mean of its divisors is an integer number (64982160).

Almost surely, 2^432131231 is an apocalyptic number.

432131231 is a deficient number, since it is larger than the sum of its proper divisors (87726049).

432131231 is a wasteful number, since it uses less digits than its factorization.

432131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249133.

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

The square root of 432131231 is about 20787.7663783293. The cubic root of 432131231 is about 756.0291688073.

Adding to 432131231 its reverse (132131234), we get a palindrome (564262465).

It can be divided in two parts, 43213 and 1231, that added together give a palindrome (44444).

The spelling of 432131231 in words is "four hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-one".