431221124 has 12 divisors (see below), whose sum is σ = 755223504. Its totient is φ = 215442984.

The previous prime is 431221117. The next prime is 431221151. The reversal of 431221124 is 421122134.

It is a junction number, because it is equal to n+sod(n) for n = 431221096 and 431221105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36014 + ... + 46469.

It is an arithmetic number, because the mean of its divisors is an integer number (62935292).

Almost surely, 2^431221124 is an apocalyptic number.

It is an amenable number.

431221124 is a deficient number, since it is larger than the sum of its proper divisors (324002380).

431221124 is a wasteful number, since it uses less digits than its factorization.

431221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83794 (or 83792 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 431221124 is about 20765.8643932777. The cubic root of 431221124 is about 755.4980407616.

Adding to 431221124 its reverse (421122134), we get a palindrome (852343258).

The spelling of 431221124 in words is "four hundred thirty-one million, two hundred twenty-one thousand, one hundred twenty-four".