11331131112023 has 4 divisors (see below), whose sum is σ = 11344799546040. Its totient is φ = 11317462678008.

The previous prime is 11331131112011. The next prime is 11331131112031. The reversal of 11331131112023 is 32021113113311.

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 11331131112023 - 2²⁶ = 11331064003159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331131112023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131112083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6834215765 + ... + 6834217422.

It is an arithmetic number, because the mean of its divisors is an integer number (2836199886510).

Almost surely, 2^{11331131112023} is an apocalyptic number.

11331131112023 is a deficient number, since it is larger than the sum of its proper divisors (13668434017).

11331131112023 is an equidigital number, since it uses as much as digits as its factorization.

11331131112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668434016.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11331131112023 its reverse (32021113113311), we get a palindrome (43352244225334).

The spelling of 11331131112023 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred twelve thousand, twenty-three".