13311302320 has 40 divisors (see below), whose sum is σ = 31153764960. Its totient is φ = 5289254400.

The previous prime is 13311302239. The next prime is 13311302357. The reversal of 13311302320 is 2320311331.

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

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, 538885 + ... + 563044.

It is an arithmetic number, because the mean of its divisors is an integer number (778844124).

Almost surely, 2^13311302320 is an apocalyptic number.

13311302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311302320 is an abundant number, since it is smaller than the sum of its proper divisors (17842462640).

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

13311302320 is a wasteful number, since it uses less digits than its factorization.

13311302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102093 (or 1102087 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13311302320 its reverse (2320311331), we get a palindrome (15631613651).

The spelling of 13311302320 in words is "thirteen billion, three hundred eleven million, three hundred two thousand, three hundred twenty".