21302013321302 has 32 divisors (see below), whose sum is σ = 39679714375680. Its totient is φ = 8369939744640.

The previous prime is 21302013321301. The next prime is 21302013321373. The reversal of 21302013321302 is 20312331020312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302013321301) 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, 1291649123 + ... + 1291665614.

It is an arithmetic number, because the mean of its divisors is an integer number (1239991074240).

Almost surely, 2^{21302013321302} is an apocalyptic number.

21302013321302 is a deficient number, since it is larger than the sum of its proper divisors (18377701054378).

21302013321302 is a wasteful number, since it uses less digits than its factorization.

21302013321302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583314796.

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

Adding to 21302013321302 its reverse (20312331020312), we get a palindrome (41614344341614).

The spelling of 21302013321302 in words is "twenty-one trillion, three hundred two billion, thirteen million, three hundred twenty-one thousand, three hundred two".