306340201 has 4 divisors (see below), whose sum is σ = 306422100. Its totient is φ = 306258304.

The previous prime is 306340189. The next prime is 306340207. The reversal of 306340201 is 102043603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114490000 + 191850201 = 10700^2 + 13851^2 .

It is a cyclic number.

It is not a de Polignac number, because 306340201 - 2⁹ = 306339689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306340207) 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 3 ways as a sum of consecutive naturals, for example, 35056 + ... + 42913.

It is an arithmetic number, because the mean of its divisors is an integer number (76605525).

Almost surely, 2^306340201 is an apocalyptic number.

It is an amenable number.

306340201 is a deficient number, since it is larger than the sum of its proper divisors (81899).

306340201 is an equidigital number, since it uses as much as digits as its factorization.

306340201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81898.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 306340201 is about 17502.5769816904. The cubic root of 306340201 is about 674.1160452890.

Adding to 306340201 its reverse (102043603), we get a palindrome (408383804).

It can be divided in two parts, 3063 and 40201, that added together give a square (43264 = 208²).

The spelling of 306340201 in words is "three hundred six million, three hundred forty thousand, two hundred one".