206113113 has 8 divisors (see below), whose sum is σ = 305352800. Its totient is φ = 137408724.

The previous prime is 206113093. The next prime is 206113123. The reversal of 206113113 is 311311602.

206113113 is a `hidden beast` number, since 20 + 611 + 31 + 1 + 3 = 666.

It is not a de Polignac number, because 206113113 - 2²¹ = 204015961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206113123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816883 + ... + 3816936.

It is an arithmetic number, because the mean of its divisors is an integer number (38169100).

Almost surely, 2^206113113 is an apocalyptic number.

It is an amenable number.

206113113 is a deficient number, since it is larger than the sum of its proper divisors (99239687).

206113113 is an equidigital number, since it uses as much as digits as its factorization.

206113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633828 (or 7633822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 206113113 is about 14356.6400317066. The cubic root of 206113113 is about 590.7021354535.

Adding to 206113113 its reverse (311311602), we get a palindrome (517424715).

The spelling of 206113113 in words is "two hundred six million, one hundred thirteen thousand, one hundred thirteen".