320031012232 has 8 divisors (see below), whose sum is σ = 600058147950. Its totient is φ = 160015506112.

The previous prime is 320031012211. The next prime is 320031012233. The reversal of 320031012232 is 232210130023.

It can be written as a sum of positive squares in only one way, i.e., 239173814916 + 80857197316 = 489054^2 + 284354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (320031012233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001938257 + ... + 20001938272.

Almost surely, 2^320031012232 is an apocalyptic number.

It is an amenable number.

320031012232 is a deficient number, since it is larger than the sum of its proper divisors (280027135718).

320031012232 is a wasteful number, since it uses less digits than its factorization.

320031012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40003876535 (or 40003876531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320031012232 its reverse (232210130023), we get a palindrome (552241142255).

The spelling of 320031012232 in words is "three hundred twenty billion, thirty-one million, twelve thousand, two hundred thirty-two".