13111101320 has 32 divisors (see below), whose sum is σ = 29518548120. Its totient is φ = 5241139200.

The previous prime is 13111101317. The next prime is 13111101337. The reversal of 13111101320 is 2310111131.

It is a happy number.

13111101320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11441725156 + 1669376164 = 106966^2 + 40858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13111101295 and 13111101304.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38327 + ... + 166406.

Almost surely, 2^13111101320 is an apocalyptic number.

13111101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111101320 is an abundant number, since it is smaller than the sum of its proper divisors (16407446800).

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

13111101320 is a wasteful number, since it uses less digits than its factorization.

13111101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206345 (or 206341 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13111101320 its reverse (2310111131), we get a palindrome (15421212451).

The spelling of 13111101320 in words is "thirteen billion, one hundred eleven million, one hundred one thousand, three hundred twenty".