13113330320 has 40 divisors (see below), whose sum is σ = 32093154240. Its totient is φ = 4969261440.

The previous prime is 13113330259. The next prime is 13113330337. The reversal of 13113330320 is 2303331131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13113330292 and 13113330301.

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, 4312076 + ... + 4315115.

It is an arithmetic number, because the mean of its divisors is an integer number (802328856).

Almost surely, 2^13113330320 is an apocalyptic number.

13113330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113330320 is an abundant number, since it is smaller than the sum of its proper divisors (18979823920).

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

13113330320 is a wasteful number, since it uses less digits than its factorization.

13113330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627223 (or 8627217 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13113330320 its reverse (2303331131), we get a palindrome (15416661451).

The spelling of 13113330320 in words is "thirteen billion, one hundred thirteen million, three hundred thirty thousand, three hundred twenty".