13311232111 has 4 divisors (see below), whose sum is σ = 13479728800. Its totient is φ = 13142735424.

The previous prime is 13311232069. The next prime is 13311232117. The reversal of 13311232111 is 11123211331.

13311232111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11123211331 = 1823 ⋅6101597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13311232111 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 (13311232117) 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, 84248226 + ... + 84248383.

It is an arithmetic number, because the mean of its divisors is an integer number (3369932200).

Almost surely, 2^13311232111 is an apocalyptic number.

13311232111 is a deficient number, since it is larger than the sum of its proper divisors (168496689).

13311232111 is an equidigital number, since it uses as much as digits as its factorization.

13311232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168496688.

The product of its digits is 108, while the sum is 19.

Adding to 13311232111 its reverse (11123211331), we get a palindrome (24434443442).

The spelling of 13311232111 in words is "thirteen billion, three hundred eleven million, two hundred thirty-two thousand, one hundred eleven".