13313321300 has 18 divisors (see below), whose sum is σ = 28889907438. Its totient is φ = 5325328480.

The previous prime is 13313321297. The next prime is 13313321321. The reversal of 13313321300 is 312331331.

It can be written as a sum of positive squares in 3 ways, for example, as 1825340176 + 11487981124 = 42724^2 + 107182^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66566507 + ... + 66566706.

Almost surely, 2^13313321300 is an apocalyptic number.

13313321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13313321300 is an abundant number, since it is smaller than the sum of its proper divisors (15576586138).

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

13313321300 is a wasteful number, since it uses less digits than its factorization.

13313321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133133227 (or 133133220 counting only the distinct ones).

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

Adding to 13313321300 its reverse (312331331), we get a palindrome (13625652631).

The spelling of 13313321300 in words is "thirteen billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred".