232131012220 has 24 divisors (see below), whose sum is σ = 488921653584. Its totient is φ = 92576875776.

The previous prime is 232131012209. The next prime is 232131012221. The reversal of 232131012220 is 22210131232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232131012221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17213662 + ... + 17227141.

It is an arithmetic number, because the mean of its divisors is an integer number (20371735566).

Almost surely, 2^232131012220 is an apocalyptic number.

232131012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232131012220 is an abundant number, since it is smaller than the sum of its proper divisors (256790641364).

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

232131012220 is a wasteful number, since it uses less digits than its factorization.

232131012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34441149 (or 34441147 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 232131012220 its reverse (22210131232), we get a palindrome (254341143452).

It can be divided in two parts, 232131012 and 220, that added together give a palindrome (232131232).

The spelling of 232131012220 in words is "two hundred thirty-two billion, one hundred thirty-one million, twelve thousand, two hundred twenty".