231001112311 has 4 divisors (see below), whose sum is σ = 236635285824. Its totient is φ = 225366938800.

The previous prime is 231001112281. The next prime is 231001112323. The reversal of 231001112311 is 113211100132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231001112311 - 2²⁵ = 230967557879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001112351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817086695 + ... + 2817086776.

It is an arithmetic number, because the mean of its divisors is an integer number (59158821456).

Almost surely, 2^231001112311 is an apocalyptic number.

231001112311 is a deficient number, since it is larger than the sum of its proper divisors (5634173513).

231001112311 is an equidigital number, since it uses as much as digits as its factorization.

231001112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634173512.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 231001112311 its reverse (113211100132), we get a palindrome (344212212443).

The spelling of 231001112311 in words is "two hundred thirty-one billion, one million, one hundred twelve thousand, three hundred eleven".