232131322220 has 48 divisors (see below), whose sum is σ = 589886660160. Its totient is φ = 74906241024.

The previous prime is 232131322219. The next prime is 232131322327. The reversal of 232131322220 is 22223131232.

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, 48764705 + ... + 48769464.

It is an arithmetic number, because the mean of its divisors is an integer number (12289305420).

Almost surely, 2^232131322220 is an apocalyptic number.

232131322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232131322220 is an abundant number, since it is smaller than the sum of its proper divisors (357755337940).

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

232131322220 is a wasteful number, since it uses less digits than its factorization.

232131322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97534202 (or 97534200 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 232131322220 its reverse (22223131232), we get a palindrome (254354453452).

The spelling of 232131322220 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty".