206113620343 has 2 divisors, whose sum is σ = 206113620344. Its totient is φ = 206113620342.

The previous prime is 206113620283. The next prime is 206113620347. The reversal of 206113620343 is 343026311602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206113620343 - 2¹³ = 206113612151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206113620347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103056810171 + 103056810172.

It is an arithmetic number, because the mean of its divisors is an integer number (103056810172).

Almost surely, 2^206113620343 is an apocalyptic number.

206113620343 is a deficient number, since it is larger than the sum of its proper divisors (1).

206113620343 is an equidigital number, since it uses as much as digits as its factorization.

206113620343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 206113620343 its reverse (343026311602), we get a palindrome (549139931945).

The spelling of 206113620343 in words is "two hundred six billion, one hundred thirteen million, six hundred twenty thousand, three hundred forty-three".