231324030220 has 24 divisors (see below), whose sum is σ = 488997559008. Its totient is φ = 91916832000.

The previous prime is 231324030209. The next prime is 231324030241. The reversal of 231324030220 is 22030423132.

It is a junction number, because it is equal to n+sod(n) for n = 231324030191 and 231324030200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38295661 + ... + 38301700.

It is an arithmetic number, because the mean of its divisors is an integer number (20374898292).

Almost surely, 2^231324030220 is an apocalyptic number.

231324030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231324030220 is an abundant number, since it is smaller than the sum of its proper divisors (257673528788).

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

231324030220 is a wasteful number, since it uses less digits than its factorization.

231324030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76597521 (or 76597519 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 231324030220 its reverse (22030423132), we get a palindrome (253354453352).

The spelling of 231324030220 in words is "two hundred thirty-one billion, three hundred twenty-four million, thirty thousand, two hundred twenty".