431124521121 has 12 divisors (see below), whose sum is σ = 711697622272. Its totient is φ = 246356869176.

The previous prime is 431124521117. The next prime is 431124521159. The reversal of 431124521121 is 121125421134.

431124521121 is a `hidden beast` number, since 4 + 3 + 1 + 12 + 4 + 521 + 121 = 666.

It is not a de Polignac number, because 431124521121 - 2² = 431124521117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431124520121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3421623121 + ... + 3421623246.

Almost surely, 2^431124521121 is an apocalyptic number.

It is an amenable number.

431124521121 is a deficient number, since it is larger than the sum of its proper divisors (280573101151).

431124521121 is a wasteful number, since it uses less digits than its factorization.

431124521121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843246380 (or 6843246377 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 431124521121 its reverse (121125421134), we get a palindrome (552249942255).

The spelling of 431124521121 in words is "four hundred thirty-one billion, one hundred twenty-four million, five hundred twenty-one thousand, one hundred twenty-one".