206340313103 has 32 divisors (see below), whose sum is σ = 224518874112. Its totient is φ = 189099187200.

The previous prime is 206340313099. The next prime is 206340313121. The reversal of 206340313103 is 301313043602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 206340313103 - 2² = 206340313099 is a prime.

It is a super-2 number, since 2×206340313103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206340333103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67851263 + ... + 67854303.

It is an arithmetic number, because the mean of its divisors is an integer number (7016214816).

Almost surely, 2^206340313103 is an apocalyptic number.

206340313103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

206340313103 is a deficient number, since it is larger than the sum of its proper divisors (18178561009).

206340313103 is a wasteful number, since it uses less digits than its factorization.

206340313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 206340313103 its reverse (301313043602), we get a palindrome (507653356705).

The spelling of 206340313103 in words is "two hundred six billion, three hundred forty million, three hundred thirteen thousand, one hundred three".