213244343442313 has 8 divisors (see below), whose sum is σ = 214191840689280. Its totient is φ = 212296917203280.

The previous prime is 213244343442281. The next prime is 213244343442391. The reversal of 213244343442313 is 313244343442312.

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 213244343442313 - 2⁵ = 213244343442281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213244343442313.

It is not an unprimeable number, because it can be changed into a prime (213244343442413) 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, 11727898 + ... + 23749363.

It is an arithmetic number, because the mean of its divisors is an integer number (26773980086160).

Almost surely, 2^{213244343442313} is an apocalyptic number.

It is an amenable number.

213244343442313 is a deficient number, since it is larger than the sum of its proper divisors (947497246967).

213244343442313 is a wasteful number, since it uses less digits than its factorization.

213244343442313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35503967.

The product of its digits is 1990656, while the sum is 43.

Adding to 213244343442313 its reverse (313244343442312), we get a palindrome (526488686884625).

Subtracting 213244343442313 from its reverse (313244343442312), we obtain a palindrome (99999999999999).

The spelling of 213244343442313 in words is "two hundred thirteen trillion, two hundred forty-four billion, three hundred forty-three million, four hundred forty-two thousand, three hundred thirteen".