21214330312313 has 8 divisors (see below), whose sum is σ = 21802480233600. Its totient is φ = 20630489182128.

The previous prime is 21214330312297. The next prime is 21214330312321. The reversal of 21214330312313 is 31321303341212.

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 21214330312313 - 2⁴ = 21214330312297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21214330312333) 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, 1077187793 + ... + 1077207486.

It is an arithmetic number, because the mean of its divisors is an integer number (2725310029200).

Almost surely, 2^{21214330312313} is an apocalyptic number.

It is an amenable number.

21214330312313 is a deficient number, since it is larger than the sum of its proper divisors (588149921287).

21214330312313 is a wasteful number, since it uses less digits than its factorization.

21214330312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154395551.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 21214330312313 its reverse (31321303341212), we get a palindrome (52535633653525).

The spelling of 21214330312313 in words is "twenty-one trillion, two hundred fourteen billion, three hundred thirty million, three hundred twelve thousand, three hundred thirteen".