21300013230 has 32 divisors (see below), whose sum is σ = 51362322048. Its totient is φ = 5653082400.

The previous prime is 21300013181. The next prime is 21300013247. The reversal of 21300013230 is 3231000312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1676136 + ... + 1688795.

It is an arithmetic number, because the mean of its divisors is an integer number (1605072564).

Almost surely, 2^21300013230 is an apocalyptic number.

21300013230 is an abundant number, since it is smaller than the sum of its proper divisors (30062308818).

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

21300013230 is a wasteful number, since it uses less digits than its factorization.

21300013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365152.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21300013230 its reverse (3231000312), we get a palindrome (24531013542).

The spelling of 21300013230 in words is "twenty-one billion, three hundred million, thirteen thousand, two hundred thirty".