21334420341313 has 8 divisors (see below), whose sum is σ = 21391607662880. Its totient is φ = 21277237736160.

The previous prime is 21334420341229. The next prime is 21334420341337. The reversal of 21334420341313 is 31314302443312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21334420341313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21334420341343) 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, 7975006 + ... + 10308712.

It is an arithmetic number, because the mean of its divisors is an integer number (2673950957860).

Almost surely, 2^{21334420341313} is an apocalyptic number.

It is an amenable number.

21334420341313 is a deficient number, since it is larger than the sum of its proper divisors (57187321567).

21334420341313 is a wasteful number, since it uses less digits than its factorization.

21334420341313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358207.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 21334420341313 its reverse (31314302443312), we get a palindrome (52648722784625).

The spelling of 21334420341313 in words is "twenty-one trillion, three hundred thirty-four billion, four hundred twenty million, three hundred forty-one thousand, three hundred thirteen".