13311134320 has 80 divisors (see below), whose sum is σ = 33869091168. Its totient is φ = 4825041920.

The previous prime is 13311134311. The next prime is 13311134321. The reversal of 13311134320 is 2343111331.

13311134320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13311134291 and 13311134300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311134321) 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 15 ways as a sum of consecutive naturals, for example, 255102 + ... + 302818.

Almost surely, 2^13311134320 is an apocalyptic number.

13311134320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13311134320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934545584).

13311134320 is an abundant number, since it is smaller than the sum of its proper divisors (20557956848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13311134320 is a wasteful number, since it uses less digits than its factorization.

13311134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48058 (or 48052 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13311134320 its reverse (2343111331), we get a palindrome (15654245651).

The spelling of 13311134320 in words is "thirteen billion, three hundred eleven million, one hundred thirty-four thousand, three hundred twenty".