21302313201230 has 16 divisors (see below), whose sum is σ = 38346083921664. Its totient is φ = 8520498578400.

The previous prime is 21302313201217. The next prime is 21302313201233. The reversal of 21302313201230 is 3210231320312.

It is a junction number, because it is equal to n+sod(n) for n = 21302313201196 and 21302313201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302313201233) 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, 53128046 + ... + 53527505.

It is an arithmetic number, because the mean of its divisors is an integer number (2396630245104).

Almost surely, 2^{21302313201230} is an apocalyptic number.

21302313201230 is a deficient number, since it is larger than the sum of its proper divisors (17043770720434).

21302313201230 is a wasteful number, since it uses less digits than its factorization.

21302313201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106675531.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21302313201230 its reverse (3210231320312), we get a palindrome (24512544521542).

The spelling of 21302313201230 in words is "twenty-one trillion, three hundred two billion, three hundred thirteen million, two hundred one thousand, two hundred thirty".