432312131 has 4 divisors (see below), whose sum is σ = 435467832. Its totient is φ = 429156432.

The previous prime is 432312119. The next prime is 432312169. The reversal of 432312131 is 131213234.

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 432312131 - 2¹⁰ = 432311107 is a prime.

It is a super-2 number, since 2×432312131² = 373787557219522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432312031) 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, 1577645 + ... + 1577918.

It is an arithmetic number, because the mean of its divisors is an integer number (108866958).

Almost surely, 2^432312131 is an apocalyptic number.

432312131 is a deficient number, since it is larger than the sum of its proper divisors (3155701).

432312131 is a wasteful number, since it uses less digits than its factorization.

432312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155700.

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

The square root of 432312131 is about 20792.1170398784. The cubic root of 432312131 is about 756.1346511136.

Adding to 432312131 its reverse (131213234), we get a palindrome (563525365).

The spelling of 432312131 in words is "four hundred thirty-two million, three hundred twelve thousand, one hundred thirty-one".