21302323010013 has 8 divisors (see below), whose sum is σ = 28403880097248. Its totient is φ = 14201157298064.

The previous prime is 21302323010009. The next prime is 21302323010027. The reversal of 21302323010013 is 31001032320312.

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 21302323010013 - 2² = 21302323010009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302323010053) 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, 97716795 + ... + 97934552.

It is an arithmetic number, because the mean of its divisors is an integer number (3550485012156).

Almost surely, 2^{21302323010013} is an apocalyptic number.

It is an amenable number.

21302323010013 is a deficient number, since it is larger than the sum of its proper divisors (7101557087235).

21302323010013 is a wasteful number, since it uses less digits than its factorization.

21302323010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195687643.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21302323010013 its reverse (31001032320312), we get a palindrome (52303355330325).

The spelling of 21302323010013 in words is "twenty-one trillion, three hundred two billion, three hundred twenty-three million, ten thousand, thirteen".