331223116232 has 36 divisors (see below), whose sum is σ = 624113625195. Its totient is φ = 164796836208.

The previous prime is 331223116199. The next prime is 331223116247. The reversal of 331223116232 is 232611322133.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 165611558116 + 165611558116 = 406954^2 + 406954^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=406954.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331223116195 and 331223116204.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 460671569 + ... + 460672287.

Almost surely, 2^331223116232 is an apocalyptic number.

It is an amenable number.

331223116232 is a deficient number, since it is larger than the sum of its proper divisors (292890508963).

331223116232 is an frugal number, since it uses more digits than its factorization.

331223116232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 1004 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

Adding to 331223116232 its reverse (232611322133), we get a palindrome (563834438365).

The spelling of 331223116232 in words is "three hundred thirty-one billion, two hundred twenty-three million, one hundred sixteen thousand, two hundred thirty-two".