231020230120 has 32 divisors (see below), whose sum is σ = 547153178400. Its totient is φ = 87544507968.

The previous prime is 231020230109. The next prime is 231020230141. The reversal of 231020230120 is 21032020132.

It is a junction number, because it is equal to n+sod(n) for n = 231020230094 and 231020230103.

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, 151986234 + ... + 151987753.

It is an arithmetic number, because the mean of its divisors is an integer number (17098536825).

Almost surely, 2^231020230120 is an apocalyptic number.

231020230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231020230120 is an abundant number, since it is smaller than the sum of its proper divisors (316132948280).

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

231020230120 is a wasteful number, since it uses less digits than its factorization.

231020230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303974017 (or 303974013 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 231020230120 its reverse (21032020132), we get a palindrome (252052250252).

The spelling of 231020230120 in words is "two hundred thirty-one billion, twenty million, two hundred thirty thousand, one hundred twenty".