21300011313 has 16 divisors (see below), whose sum is σ = 34165432320. Its totient is φ = 11530832976.

The previous prime is 21300011303. The next prime is 21300011347. The reversal of 21300011313 is 31311000312.

It is not a de Polignac number, because 21300011313 - 2¹³ = 21300003121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21300011292 and 21300011301.

It is not an unprimeable number, because it can be changed into a prime (21300011303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26691345 + ... + 26692142.

It is an arithmetic number, because the mean of its divisors is an integer number (2135339520).

Almost surely, 2^21300011313 is an apocalyptic number.

It is an amenable number.

21300011313 is a deficient number, since it is larger than the sum of its proper divisors (12865421007).

21300011313 is a wasteful number, since it uses less digits than its factorization.

21300011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53383516.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21300011313 its reverse (31311000312), we get a palindrome (52611011625).

The spelling of 21300011313 in words is "twenty-one billion, three hundred million, eleven thousand, three hundred thirteen".