331232321032 has 16 divisors (see below), whose sum is σ = 621122802300. Its totient is φ = 165599573760.

The previous prime is 331232320999. The next prime is 331232321033. The reversal of 331232321032 is 230123232133.

It can be written as a sum of positive squares in 2 ways, for example, as 327740220196 + 3492100836 = 572486^2 + 59094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331232320988 and 331232321006.

It is not an unprimeable number, because it can be changed into a prime (331232321033) by changing a digit.

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, 1988269 + ... + 2148412.

Almost surely, 2^331232321032 is an apocalyptic number.

It is an amenable number.

331232321032 is a deficient number, since it is larger than the sum of its proper divisors (289890481268).

331232321032 is a wasteful number, since it uses less digits than its factorization.

331232321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146696 (or 4146692 counting only the distinct ones).

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

Adding to 331232321032 its reverse (230123232133), we get a palindrome (561355553165).

The spelling of 331232321032 in words is "three hundred thirty-one billion, two hundred thirty-two million, three hundred twenty-one thousand, thirty-two".