231033320120 has 16 divisors (see below), whose sum is σ = 519824970360. Its totient is φ = 92413328032.

The previous prime is 231033320093. The next prime is 231033320159. The reversal of 231033320120 is 21023330132.

231033320120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 231033320092 and 231033320101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2887916462 + ... + 2887916541.

Almost surely, 2^231033320120 is an apocalyptic number.

231033320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231033320120 is an abundant number, since it is smaller than the sum of its proper divisors (288791650240).

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

231033320120 is a wasteful number, since it uses less digits than its factorization.

231033320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775833014 (or 5775833010 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231033320120 its reverse (21023330132), we get a palindrome (252056650252).

The spelling of 231033320120 in words is "two hundred thirty-one billion, thirty-three million, three hundred twenty thousand, one hundred twenty".