21300330300313 has 4 divisors (see below), whose sum is σ = 21300362122788. Its totient is φ = 21300298477840.

The previous prime is 21300330300289. The next prime is 21300330300331. The reversal of 21300330300313 is 31300303300312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14463318606489 + 6837011693824 = 3803067^2 + 2614768^2 .

It is a cyclic number.

It is not a de Polignac number, because 21300330300313 - 2⁵ = 21300330300281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300330306313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14885158 + ... + 16253263.

It is an arithmetic number, because the mean of its divisors is an integer number (5325090530697).

Almost surely, 2^{21300330300313} is an apocalyptic number.

It is an amenable number.

21300330300313 is a deficient number, since it is larger than the sum of its proper divisors (31822475).

21300330300313 is an equidigital number, since it uses as much as digits as its factorization.

21300330300313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31822474.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 21300330300313 its reverse (31300303300312), we get a palindrome (52600633600625).

The spelling of 21300330300313 in words is "twenty-one trillion, three hundred billion, three hundred thirty million, three hundred thousand, three hundred thirteen".