21301233213313 has 8 divisors (see below), whose sum is σ = 21322266288128. Its totient is φ = 21280210026624.

The previous prime is 21301233213223. The next prime is 21301233213319. The reversal of 21301233213313 is 31331233210312.

It is a happy number.

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 21301233213313 - 2⁹ = 21301233212801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21301233213319) 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, 1842256 + ... + 6782062.

It is an arithmetic number, because the mean of its divisors is an integer number (2665283286016).

Almost surely, 2^{21301233213313} is an apocalyptic number.

It is an amenable number.

21301233213313 is a deficient number, since it is larger than the sum of its proper divisors (21033074815).

21301233213313 is a wasteful number, since it uses less digits than its factorization.

21301233213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944063.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 21301233213313 its reverse (31331233210312), we get a palindrome (52632466423625).

The spelling of 21301233213313 in words is "twenty-one trillion, three hundred one billion, two hundred thirty-three million, two hundred thirteen thousand, three hundred thirteen".