320111100132 has 48 divisors (see below), whose sum is σ = 752419342080. Its totient is φ = 105921743872.

The previous prime is 320111100109. The next prime is 320111100139. The reversal of 320111100132 is 231001111023.

It is a happy number.

It is a super-2 number, since 2×320111100132² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320111100139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733108 + ... + 1085204.

It is an arithmetic number, because the mean of its divisors is an integer number (15675402960).

Almost surely, 2^320111100132 is an apocalyptic number.

It is an amenable number.

320111100132 is an abundant number, since it is smaller than the sum of its proper divisors (432308241948).

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

320111100132 is a wasteful number, since it uses less digits than its factorization.

320111100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352660 (or 352658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 320111100132 its reverse (231001111023), we get a palindrome (551112211155).

The spelling of 320111100132 in words is "three hundred twenty billion, one hundred eleven million, one hundred thousand, one hundred thirty-two".