431431222342432 has 48 divisors (see below), whose sum is σ = 914751481323960. Its totient is φ = 199114631073792.

The previous prime is 431431222342409. The next prime is 431431222342499. The reversal of 431431222342432 is 234243222134134.

It can be written as a sum of positive squares in 4 ways, for example, as 411077084801296 + 20354137541136 = 20275036^2 + 4511556^2 .

It is a super-2 number, since 2×431431222342432² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8349513 + ... + 30538120.

Almost surely, 2^{431431222342432} is an apocalyptic number.

It is an amenable number.

431431222342432 is an abundant number, since it is smaller than the sum of its proper divisors (483320258981528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431431222342432 is a wasteful number, since it uses less digits than its factorization.

431431222342432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38914325 (or 38914317 counting only the distinct ones).

The product of its digits is 663552, while the sum is 40.

Adding to 431431222342432 its reverse (234243222134134), we get a palindrome (665674444476566).

The spelling of 431431222342432 in words is "four hundred thirty-one trillion, four hundred thirty-one billion, two hundred twenty-two million, three hundred forty-two thousand, four hundred thirty-two".