431044113231 has 24 divisors (see below), whose sum is σ = 624839633600. Its totient is φ = 286339116096.

The previous prime is 431044113221. The next prime is 431044113239. The reversal of 431044113231 is 132311440134.

431044113231 is a `hidden beast` number, since 4 + 3 + 10 + 4 + 411 + 3 + 231 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-431044113231 is a prime.

It is a super-2 number, since 2×431044113231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431044113195 and 431044113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431044113239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4516650 + ... + 4611096.

Almost surely, 2^431044113231 is an apocalyptic number.

431044113231 is a deficient number, since it is larger than the sum of its proper divisors (193795520369).

431044113231 is a wasteful number, since it uses less digits than its factorization.

431044113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96255 (or 96252 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 431044113231 its reverse (132311440134), we get a palindrome (563355553365).

The spelling of 431044113231 in words is "four hundred thirty-one billion, forty-four million, one hundred thirteen thousand, two hundred thirty-one".