231002113120 has 48 divisors (see below), whose sum is σ = 547103598048. Its totient is φ = 92170393600.

The previous prime is 231002113073. The next prime is 231002113141. The reversal of 231002113120 is 21311200132.

It is a super-2 number, since 2×231002113120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 231002113094 and 231002113103.

It is a congruent number.

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, 1736044 + ... + 1864363.

It is an arithmetic number, because the mean of its divisors is an integer number (11397991626).

Almost surely, 2^231002113120 is an apocalyptic number.

231002113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231002113120 is an abundant number, since it is smaller than the sum of its proper divisors (316101484928).

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

231002113120 is a wasteful number, since it uses less digits than its factorization.

231002113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600823 (or 3600815 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231002113120 its reverse (21311200132), we get a palindrome (252313313252).

The spelling of 231002113120 in words is "two hundred thirty-one billion, two million, one hundred thirteen thousand, one hundred twenty".