11323103231311 has 4 divisors (see below), whose sum is σ = 11323129249512. Its totient is φ = 11323077213112.

The previous prime is 11323103231249. The next prime is 11323103231333. The reversal of 11323103231311 is 11313230132311.

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 11323103231311 - 2²¹ = 11323101134159 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 (11323103231911) 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, 12345001 + ... + 13230466.

It is an arithmetic number, because the mean of its divisors is an integer number (2830782312378).

Almost surely, 2^{11323103231311} is an apocalyptic number.

11323103231311 is a deficient number, since it is larger than the sum of its proper divisors (26018201).

11323103231311 is an equidigital number, since it uses as much as digits as its factorization.

11323103231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26018200.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11323103231311 its reverse (11313230132311), we get a palindrome (22636333363622).

The spelling of 11323103231311 in words is "eleven trillion, three hundred twenty-three billion, one hundred three million, two hundred thirty-one thousand, three hundred eleven".