431431222324 has 48 divisors (see below), whose sum is σ = 782026721280. Its totient is φ = 208043549280.

The previous prime is 431431222297. The next prime is 431431222337. The reversal of 431431222324 is 423222134134.

It is a super-2 number, since 2×431431222324² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78339579 + ... + 78345085.

It is an arithmetic number, because the mean of its divisors is an integer number (16292223360).

Almost surely, 2^431431222324 is an apocalyptic number.

It is an amenable number.

431431222324 is a deficient number, since it is larger than the sum of its proper divisors (350595498956).

431431222324 is a wasteful number, since it uses less digits than its factorization.

431431222324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588 (or 7586 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 431431222324 its reverse (423222134134), we get a palindrome (854653356458).

The spelling of 431431222324 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, three hundred twenty-four".