231113221133202 has 96 divisors (see below), whose sum is σ = 511670362769280. Its totient is φ = 75365481784320.

The previous prime is 231113221133191. The next prime is 231113221133299. The reversal of 231113221133202 is 202331122311132.

231113221133202 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 1 + 322 + 1 + 1 + 332 + 0 + 2 = 666.

231113221133202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1448715202 + ... + 1448874722.

It is an arithmetic number, because the mean of its divisors is an integer number (5329899612180).

Almost surely, 2^{231113221133202} is an apocalyptic number.

231113221133202 is an abundant number, since it is smaller than the sum of its proper divisors (280557141636078).

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

231113221133202 is a wasteful number, since it uses less digits than its factorization.

231113221133202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163968 (or 163965 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231113221133202 its reverse (202331122311132), we get a palindrome (433444343444334).

The spelling of 231113221133202 in words is "two hundred thirty-one trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred two".