431431222424 has 16 divisors (see below), whose sum is σ = 808942392720. Its totient is φ = 215713251040.

The previous prime is 431431222423. The next prime is 431431222499. The reversal of 431431222424 is 424222134134.

It is a happy number.

It is a super-3 number, since 3×431431222424³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431431222421) 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, 666014 + ... + 1142994.

It is an arithmetic number, because the mean of its divisors is an integer number (50558899545).

Almost surely, 2^431431222424 is an apocalyptic number.

It is an amenable number.

431431222424 is a deficient number, since it is larger than the sum of its proper divisors (377511170296).

431431222424 is a wasteful number, since it uses less digits than its factorization.

431431222424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590050 (or 590046 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 431431222424 its reverse (424222134134), we get a palindrome (855653356558).

The spelling of 431431222424 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred twenty-four".