231113112011 has 8 divisors (see below), whose sum is σ = 240283602384. Its totient is φ = 222110887680.

The previous prime is 231113111969. The next prime is 231113112017. The reversal of 231113112011 is 110211311132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231113112011 - 2⁶ = 231113111947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231113112017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42063710 + ... + 42069203.

It is an arithmetic number, because the mean of its divisors is an integer number (30035450298).

Almost surely, 2^231113112011 is an apocalyptic number.

231113112011 is a deficient number, since it is larger than the sum of its proper divisors (9170490373).

231113112011 is an equidigital number, since it uses as much as digits as its factorization.

231113112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84133021.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 231113112011 its reverse (110211311132), we get a palindrome (341324423143).

The spelling of 231113112011 in words is "two hundred thirty-one billion, one hundred thirteen million, one hundred twelve thousand, eleven".