231333231113111 has 16 divisors (see below), whose sum is σ = 236613401925120. Its totient is φ = 226107325741440.

The previous prime is 231333231113099. The next prime is 231333231113129. The reversal of 231333231113111 is 111311132333132.

It is a cyclic number.

It is not a de Polignac number, because 231333231113111 - 2¹⁴ = 231333231096727 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 (231333231113711) 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, 57174530 + ... + 61086768.

It is an arithmetic number, because the mean of its divisors is an integer number (14788337620320).

Almost surely, 2^{231333231113111} is an apocalyptic number.

231333231113111 is a deficient number, since it is larger than the sum of its proper divisors (5280170812009).

231333231113111 is a wasteful number, since it uses less digits than its factorization.

231333231113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919174.

The product of its digits is 2916, while the sum is 29.

Adding to 231333231113111 its reverse (111311132333132), we get a palindrome (342644363446243).

The spelling of 231333231113111 in words is "two hundred thirty-one trillion, three hundred thirty-three billion, two hundred thirty-one million, one hundred thirteen thousand, one hundred eleven".