431123132 has 24 divisors (see below), whose sum is σ = 858840192. Its totient is φ = 187444400.

The previous prime is 431123131. The next prime is 431123153. The reversal of 431123132 is 231321134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431123131) 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, 211994 + ... + 214017.

It is an arithmetic number, because the mean of its divisors is an integer number (35785008).

Almost surely, 2^431123132 is an apocalyptic number.

It is an amenable number.

431123132 is a deficient number, since it is larger than the sum of its proper divisors (427717060).

431123132 is a wasteful number, since it uses less digits than its factorization.

431123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426049 (or 426047 counting only the distinct ones).

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

The square root of 431123132 is about 20763.5048101230. The cubic root of 431123132 is about 755.4408092019.

Adding to 431123132 its reverse (231321134), we get a palindrome (662444266).

The spelling of 431123132 in words is "four hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-two".