21300013303 has 8 divisors (see below), whose sum is σ = 22596252480. Its totient is φ = 20008584960.

The previous prime is 21300013271. The next prime is 21300013313. The reversal of 21300013303 is 30331000312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21300013303 - 2⁵ = 21300013271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300013313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193583 + ... + 1211296.

It is an arithmetic number, because the mean of its divisors is an integer number (2824531560).

Almost surely, 2^21300013303 is an apocalyptic number.

21300013303 is a deficient number, since it is larger than the sum of its proper divisors (1296239177).

21300013303 is a wasteful number, since it uses less digits than its factorization.

21300013303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405417.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 21300013303 its reverse (30331000312), we get a palindrome (51631013615).

The spelling of 21300013303 in words is "twenty-one billion, three hundred million, thirteen thousand, three hundred three".