431431222432 has 48 divisors (see below), whose sum is σ = 989035754112.
Its totient is φ = 181410428160.
The previous prime is 431431222423. The next prime is 431431222499. The reversal of 431431222432 is 234222134134.
Adding to 431431222432 its reverse (234222134134), we get a palindrome (665653356566).
It is a super-3 number, since 3×4314312224323 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 431431222394 and 431431222403.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18158244 + ... + 18181987.
It is an arithmetic number, because the mean of its divisors is an integer number (20604911544).
Almost surely, 2431431222432 is an apocalyptic number.
It is an amenable number.
431431222432 is an abundant number, since it is smaller than the sum of its proper divisors (557604531680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431431222432 is a wasteful number, since it uses less digits than its factorization.
431431222432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36340301 (or 36340293 counting only the distinct ones).
The product of its digits is 27648, while the sum is 31.
The spelling of 431431222432 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred thirty-two".