231323202113111 has 4 divisors (see below), whose sum is σ = 241380732639792. Its totient is φ = 221265671586432.

The previous prime is 231323202113033. The next prime is 231323202113119. The reversal of 231323202113111 is 111311202323132.

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 231323202113111 - 2²² = 231323197918807 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 (231323202113119) 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, 5028765263306 + ... + 5028765263351.

It is an arithmetic number, because the mean of its divisors is an integer number (60345183159948).

Almost surely, 2^{231323202113111} is an apocalyptic number.

231323202113111 is a deficient number, since it is larger than the sum of its proper divisors (10057530526681).

231323202113111 is a wasteful number, since it uses less digits than its factorization.

231323202113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057530526680.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 231323202113111 its reverse (111311202323132), we get a palindrome (342634404436243).

The spelling of 231323202113111 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, two hundred two million, one hundred thirteen thousand, one hundred eleven".