13310331111111 has 4 divisors (see below), whose sum is σ = 17747108148152. Its totient is φ = 8873554074072.

The previous prime is 13310331111079. The next prime is 13310331111169. The reversal of 13310331111111 is 11111113301331.

13310331111111 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.

It is not a de Polignac number, because 13310331111111 - 2⁵ = 13310331111079 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 (13310331116111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218388518516 + ... + 2218388518521.

It is an arithmetic number, because the mean of its divisors is an integer number (4436777037038).

Almost surely, 2^{13310331111111} is an apocalyptic number.

13310331111111 is a deficient number, since it is larger than the sum of its proper divisors (4436777037041).

13310331111111 is an equidigital number, since it uses as much as digits as its factorization.

13310331111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436777037040.

The product of its (nonzero) digits is 81, while the sum is 21.

Adding to 13310331111111 its reverse (11111113301331), we get a palindrome (24421444412442).

The spelling of 13310331111111 in words is "thirteen trillion, three hundred ten billion, three hundred thirty-one million, one hundred eleven thousand, one hundred eleven".