431334431232 has 40 divisors (see below), whose sum is σ = 1149101887296. Its totient is φ = 143778143232.

The previous prime is 431334431219. The next prime is 431334431243. The reversal of 431334431232 is 232134433134.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 431334431193 and 431334431202.

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, 140406808 + ... + 140409879.

Almost surely, 2^431334431232 is an apocalyptic number.

It is an amenable number.

431334431232 is an abundant number, since it is smaller than the sum of its proper divisors (717767456064).

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

431334431232 is an equidigital number, since it uses as much as digits as its factorization.

431334431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280816708 (or 280816692 counting only the distinct ones).

The product of its digits is 62208, while the sum is 33.

Adding to 431334431232 its reverse (232134433134), we get a palindrome (663468864366).

The spelling of 431334431232 in words is "four hundred thirty-one billion, three hundred thirty-four million, four hundred thirty-one thousand, two hundred thirty-two".