231330102220 has 24 divisors (see below), whose sum is σ = 555192245664. Its totient is φ = 79313177856.

The previous prime is 231330102209. The next prime is 231330102239. The reversal of 231330102220 is 22201033132.

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, 826178797 + ... + 826179076.

It is an arithmetic number, because the mean of its divisors is an integer number (23133010236).

Almost surely, 2^231330102220 is an apocalyptic number.

231330102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231330102220 is an abundant number, since it is smaller than the sum of its proper divisors (323862143444).

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

231330102220 is a wasteful number, since it uses less digits than its factorization.

231330102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652357889 (or 1652357887 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231330102220 its reverse (22201033132), we get a palindrome (253531135352).

The spelling of 231330102220 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred two thousand, two hundred twenty".