206340313105 has 8 divisors (see below), whose sum is σ = 247626348264. Its totient is φ = 165060268800.

The previous prime is 206340313099. The next prime is 206340313121. The reversal of 206340313105 is 501313043602.

It can be written as a sum of positive squares in 4 ways, for example, as 20599138576 + 185741174529 = 143524^2 + 430977^2 .

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

It is not a de Polignac number, because 206340313105 - 2⁵ = 206340313073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421586 + ... + 1559995.

It is an arithmetic number, because the mean of its divisors is an integer number (30953293533).

Almost surely, 2^206340313105 is an apocalyptic number.

It is an amenable number.

206340313105 is a deficient number, since it is larger than the sum of its proper divisors (41286035159).

206340313105 is a wasteful number, since it uses less digits than its factorization.

206340313105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995427.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 206340313105 its reverse (501313043602), we get a palindrome (707653356707).

The spelling of 206340313105 in words is "two hundred six billion, three hundred forty million, three hundred thirteen thousand, one hundred five".