320133444132 has 12 divisors (see below), whose sum is σ = 746978036336. Its totient is φ = 106711148040.

The previous prime is 320133444109. The next prime is 320133444133. The reversal of 320133444132 is 231444331023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 320133444132.

It is not an unprimeable number, because it can be changed into a prime (320133444133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13338893494 + ... + 13338893517.

Almost surely, 2^320133444132 is an apocalyptic number.

It is an amenable number.

320133444132 is an abundant number, since it is smaller than the sum of its proper divisors (426844592204).

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

320133444132 is a wasteful number, since it uses less digits than its factorization.

320133444132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26677787018 (or 26677787016 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 320133444132 its reverse (231444331023), we get a palindrome (551577775155).

The spelling of 320133444132 in words is "three hundred twenty billion, one hundred thirty-three million, four hundred forty-four thousand, one hundred thirty-two".