331033212232 has 16 divisors (see below), whose sum is σ = 657198289260. Its totient is φ = 155780335104.

The previous prime is 331033212199. The next prime is 331033212259. The reversal of 331033212232 is 232212330133.

It can be written as a sum of positive squares in 2 ways, for example, as 319435214596 + 11597997636 = 565186^2 + 107694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331033212197 and 331033212206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217033733 + ... + 1217034004.

Almost surely, 2^331033212232 is an apocalyptic number.

It is an amenable number.

331033212232 is a deficient number, since it is larger than the sum of its proper divisors (326165077028).

331033212232 is a wasteful number, since it uses less digits than its factorization.

331033212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434067760 (or 2434067756 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 331033212232 its reverse (232212330133), we get a palindrome (563245542365).

The spelling of 331033212232 in words is "three hundred thirty-one billion, thirty-three million, two hundred twelve thousand, two hundred thirty-two".