220131031332 has 48 divisors (see below), whose sum is σ = 543902530752. Its totient is φ = 69054443520.

The previous prime is 220131031301. The next prime is 220131031369. The reversal of 220131031332 is 233130131022.

It is a junction number, because it is equal to n+sod(n) for n = 220131031299 and 220131031308.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2536083 + ... + 2621445.

It is an arithmetic number, because the mean of its divisors is an integer number (11331302724).

Almost surely, 2^220131031332 is an apocalyptic number.

It is an amenable number.

220131031332 is an abundant number, since it is smaller than the sum of its proper divisors (323771499420).

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

220131031332 is a wasteful number, since it uses less digits than its factorization.

220131031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98028 (or 98026 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 220131031332 its reverse (233130131022), we get a palindrome (453261162354).

The spelling of 220131031332 in words is "two hundred twenty billion, one hundred thirty-one million, thirty-one thousand, three hundred thirty-two".