206104313 has 2 divisors, whose sum is σ = 206104314. Its totient is φ = 206104312.

The previous prime is 206104309. The next prime is 206104361. The reversal of 206104313 is 313401602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192876544 + 13227769 = 13888^2 + 3637^2 .

It is a cyclic number.

It is not a de Polignac number, because 206104313 - 2² = 206104309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206104513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103052156 + 103052157.

It is an arithmetic number, because the mean of its divisors is an integer number (103052157).

Almost surely, 2^206104313 is an apocalyptic number.

It is an amenable number.

206104313 is a deficient number, since it is larger than the sum of its proper divisors (1).

206104313 is an equidigital number, since it uses as much as digits as its factorization.

206104313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 206104313 is about 14356.3335500399. Note that the first 3 decimals coincide. The cubic root of 206104313 is about 590.6937286574.

Adding to 206104313 its reverse (313401602), we get a palindrome (519505915).

The spelling of 206104313 in words is "two hundred six million, one hundred four thousand, three hundred thirteen".