132031321220 has 24 divisors (see below), whose sum is σ = 286826664600. Its totient is φ = 50991406592.

The previous prime is 132031321217. The next prime is 132031321243. The reversal of 132031321220 is 22123130231.

It can be written as a sum of positive squares in 4 ways, for example, as 9172659076 + 122858662144 = 95774^2 + 350512^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 132031321192 and 132031321201.

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 7 ways as a sum of consecutive naturals, for example, 113819525 + ... + 113820684.

It is an arithmetic number, because the mean of its divisors is an integer number (11951111025).

Almost surely, 2^132031321220 is an apocalyptic number.

132031321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132031321220 is an abundant number, since it is smaller than the sum of its proper divisors (154795343380).

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

132031321220 is a wasteful number, since it uses less digits than its factorization.

132031321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227640247 (or 227640245 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 132031321220 its reverse (22123130231), we get a palindrome (154154451451).

The spelling of 132031321220 in words is "one hundred thirty-two billion, thirty-one million, three hundred twenty-one thousand, two hundred twenty".