231322211312111 has 8 divisors (see below), whose sum is σ = 233954187429600. Its totient is φ = 228690965198080.

The previous prime is 231322211312077. The next prime is 231322211312141. The reversal of 231322211312111 is 111213112223132.

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

It is not a de Polignac number, because 231322211312111 - 2⁶ = 231322211312047 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 (231322211312141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181863491 + ... + 183131028.

It is an arithmetic number, because the mean of its divisors is an integer number (29244273428700).

Almost surely, 2^{231322211312111} is an apocalyptic number.

231322211312111 is a deficient number, since it is larger than the sum of its proper divisors (2631976117489).

231322211312111 is an equidigital number, since it uses as much as digits as its factorization.

231322211312111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365001729.

The product of its digits is 864, while the sum is 26.

Adding to 231322211312111 its reverse (111213112223132), we get a palindrome (342535323535243).

The spelling of 231322211312111 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, two hundred eleven million, three hundred twelve thousand, one hundred eleven".