23110031321111 has 4 divisors (see below), whose sum is σ = 26411464366992. Its totient is φ = 19808598275232.

The previous prime is 23110031321099. The next prime is 23110031321129. The reversal of 23110031321111 is 11112313001132.

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 23110031321111 - 2²² = 23110027126807 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 (23110031321171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650716522930 + ... + 1650716522943.

It is an arithmetic number, because the mean of its divisors is an integer number (6602866091748).

Almost surely, 2^{23110031321111} is an apocalyptic number.

23110031321111 is a deficient number, since it is larger than the sum of its proper divisors (3301433045881).

23110031321111 is an equidigital number, since it uses as much as digits as its factorization.

23110031321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301433045880.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 23110031321111 its reverse (11112313001132), we get a palindrome (34222344322243).

The spelling of 23110031321111 in words is "twenty-three trillion, one hundred ten billion, thirty-one million, three hundred twenty-one thousand, one hundred eleven".