305135323300211 has 2 divisors, whose sum is σ = 305135323300212. Its totient is φ = 305135323300210.

The previous prime is 305135323300169. The next prime is 305135323300217. The reversal of 305135323300211 is 112003323531503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305135323300211 - 2¹⁴ = 305135323283827 is a prime.

It is a super-3 number, since 3×305135323300211³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (305135323300217) 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, 152567661650105 + 152567661650106.

It is an arithmetic number, because the mean of its divisors is an integer number (152567661650106).

Almost surely, 2^{305135323300211} is an apocalyptic number.

305135323300211 is a deficient number, since it is larger than the sum of its proper divisors (1).

305135323300211 is an equidigital number, since it uses as much as digits as its factorization.

305135323300211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 305135323300211 its reverse (112003323531503), we get a palindrome (417138646831714).

The spelling of 305135323300211 in words is "three hundred five trillion, one hundred thirty-five billion, three hundred twenty-three million, three hundred thousand, two hundred eleven".