2131110331223 has 4 divisors (see below), whose sum is σ = 2171319960168. Its totient is φ = 2090900702280.

The previous prime is 2131110331127. The next prime is 2131110331241. The reversal of 2131110331223 is 3221330111312.

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 2131110331223 - 2¹⁸ = 2131110069079 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 (2131170331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20104814393 + ... + 20104814498.

It is an arithmetic number, because the mean of its divisors is an integer number (542829990042).

Almost surely, 2^{2131110331223} is an apocalyptic number.

2131110331223 is a deficient number, since it is larger than the sum of its proper divisors (40209628945).

2131110331223 is an equidigital number, since it uses as much as digits as its factorization.

2131110331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40209628944.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2131110331223 its reverse (3221330111312), we get a palindrome (5352440442535).

The spelling of 2131110331223 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, three hundred thirty-one thousand, two hundred twenty-three".