231112115201 has 12 divisors (see below), whose sum is σ = 254211033216. Its totient is φ = 209954119320.

The previous prime is 231112115197. The next prime is 231112115231. The reversal of 231112115201 is 102511211132.

It is not a de Polignac number, because 231112115201 - 2² = 231112115197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231112115231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498941 + ... + 843306.

It is an arithmetic number, because the mean of its divisors is an integer number (21184252768).

Almost surely, 2^231112115201 is an apocalyptic number.

It is an amenable number.

231112115201 is a deficient number, since it is larger than the sum of its proper divisors (23098918015).

231112115201 is a wasteful number, since it uses less digits than its factorization.

231112115201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343692 (or 1343681 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 231112115201 its reverse (102511211132), we get a palindrome (333623326333).

It can be divided in two parts, 23111 and 2115201, that added together give a palindrome (2138312).

The spelling of 231112115201 in words is "two hundred thirty-one billion, one hundred twelve million, one hundred fifteen thousand, two hundred one".