21300104013 has 16 divisors (see below), whose sum is σ = 28875235200. Its totient is φ = 13962674880.

The previous prime is 21300104003. The next prime is 21300104029. The reversal of 21300104013 is 31040100312.

It is not a de Polignac number, because 21300104013 - 2¹² = 21300099917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21300103983 and 21300104001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300104003) 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, 589843 + ... + 624911.

It is an arithmetic number, because the mean of its divisors is an integer number (1804702200).

Almost surely, 2^21300104013 is an apocalyptic number.

It is an amenable number.

21300104013 is a deficient number, since it is larger than the sum of its proper divisors (7575131187).

21300104013 is a wasteful number, since it uses less digits than its factorization.

21300104013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38452.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21300104013 its reverse (31040100312), we get a palindrome (52340204325).

The spelling of 21300104013 in words is "twenty-one billion, three hundred million, one hundred four thousand, thirteen".