12031110110311 has 4 divisors (see below), whose sum is σ = 12041127688624. Its totient is φ = 12021092532000.

The previous prime is 12031110110273. The next prime is 12031110110323. The reversal of 12031110110311 is 11301101113021.

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 12031110110311 - 2¹³ = 12031110102119 is a prime.

It is a super-2 number, since 2×12031110110311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031110110011) 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, 5008787355 + ... + 5008789756.

It is an arithmetic number, because the mean of its divisors is an integer number (3010281922156).

Almost surely, 2^{12031110110311} is an apocalyptic number.

12031110110311 is a deficient number, since it is larger than the sum of its proper divisors (10017578313).

12031110110311 is a wasteful number, since it uses less digits than its factorization.

12031110110311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017578312.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 12031110110311 its reverse (11301101113021), we get a palindrome (23332211223332).

The spelling of 12031110110311 in words is "twelve trillion, thirty-one billion, one hundred ten million, one hundred ten thousand, three hundred eleven".