206307313351 has 4 divisors (see below), whose sum is σ = 206655218352. Its totient is φ = 205959408352.

The previous prime is 206307313279. The next prime is 206307313361. The reversal of 206307313351 is 153313703602.

206307313351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206307313351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206307313361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173951611 + ... + 173952796.

It is an arithmetic number, because the mean of its divisors is an integer number (51663804588).

Almost surely, 2^206307313351 is an apocalyptic number.

206307313351 is a deficient number, since it is larger than the sum of its proper divisors (347905001).

206307313351 is an equidigital number, since it uses as much as digits as its factorization.

206307313351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347905000.

The product of its (nonzero) digits is 34020, while the sum is 34.

The spelling of 206307313351 in words is "two hundred six billion, three hundred seven million, three hundred thirteen thousand, three hundred fifty-one".