231120203113002 has 32 divisors (see below), whose sum is σ = 551243217364992. Its totient is φ = 63163285322544.

The previous prime is 231120203113001. The next prime is 231120203113013. The reversal of 231120203113002 is 200311302021132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 231120203113002.

It is not an unprimeable number, because it can be changed into a prime (231120203113001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119627433358 + ... + 119627435289.

It is an arithmetic number, because the mean of its divisors is an integer number (17226350542656).

Almost surely, 2^{231120203113002} is an apocalyptic number.

231120203113002 is an abundant number, since it is smaller than the sum of its proper divisors (320123014251990).

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

231120203113002 is a wasteful number, since it uses less digits than its factorization.

231120203113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239254868682.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231120203113002 its reverse (200311302021132), we get a palindrome (431431505134134).

The spelling of 231120203113002 in words is "two hundred thirty-one trillion, one hundred twenty billion, two hundred three million, one hundred thirteen thousand, two".