21302100232013 has 8 divisors (see below), whose sum is σ = 21861557027520. Its totient is φ = 20744543121120.

The previous prime is 21302100231911. The next prime is 21302100232067. The reversal of 21302100232013 is 31023200120312.

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 21302100232013 - 2¹⁰ = 21302100230989 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 (21302100232613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474898433 + ... + 474943286.

It is an arithmetic number, because the mean of its divisors is an integer number (2732694628440).

Almost surely, 2^{21302100232013} is an apocalyptic number.

It is an amenable number.

21302100232013 is a deficient number, since it is larger than the sum of its proper divisors (559456795507).

21302100232013 is an equidigital number, since it uses as much as digits as its factorization.

21302100232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949842307.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21302100232013 its reverse (31023200120312), we get a palindrome (52325300352325).

The spelling of 21302100232013 in words is "twenty-one trillion, three hundred two billion, one hundred million, two hundred thirty-two thousand, thirteen".