21300310300 has 18 divisors (see below), whose sum is σ = 46221673568. Its totient is φ = 8520124080.

The previous prime is 21300310271. The next prime is 21300310303. The reversal of 21300310300 is 301300312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300310303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106501452 + ... + 106501651.

Almost surely, 2^21300310300 is an apocalyptic number.

21300310300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21300310300 is an abundant number, since it is smaller than the sum of its proper divisors (24921363268).

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

21300310300 is a wasteful number, since it uses less digits than its factorization.

21300310300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213003117 (or 213003110 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 21300310300 its reverse (301300312), we get a palindrome (21601610612).

The spelling of 21300310300 in words is "twenty-one billion, three hundred million, three hundred ten thousand, three hundred".