13321403300 has 36 divisors (see below), whose sum is σ = 28916104980. Its totient is φ = 5326965120.

The previous prime is 13321403287. The next prime is 13321403309. The reversal of 13321403300 is 330412331.

It can be written as a sum of positive squares in 6 ways, for example, as 15319396 + 13306083904 = 3914^2 + 115352^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13321403309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349586 + ... + 385814.

Almost surely, 2^13321403300 is an apocalyptic number.

13321403300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321403300 is an abundant number, since it is smaller than the sum of its proper divisors (15594701680).

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

13321403300 is a wasteful number, since it uses less digits than its factorization.

13321403300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39920 (or 39913 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13321403300 its reverse (330412331), we get a palindrome (13651815631).

The spelling of 13321403300 in words is "thirteen billion, three hundred twenty-one million, four hundred three thousand, three hundred".