13311113020 has 24 divisors (see below), whose sum is σ = 28011715200. Its totient is φ = 5313325632.

The previous prime is 13311113009. The next prime is 13311113059. The reversal of 13311113020 is 2031111331.

It is a junction number, because it is equal to n+sod(n) for n = 13311112985 and 13311113003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685155 + ... + 704314.

It is an arithmetic number, because the mean of its divisors is an integer number (1167154800).

Almost surely, 2^13311113020 is an apocalyptic number.

13311113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311113020 is an abundant number, since it is smaller than the sum of its proper divisors (14700602180).

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

13311113020 is a wasteful number, since it uses less digits than its factorization.

13311113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389957 (or 1389955 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13311113020 its reverse (2031111331), we get a palindrome (15342224351).

The spelling of 13311113020 in words is "thirteen billion, three hundred eleven million, one hundred thirteen thousand, twenty".