305210300211 has 8 divisors (see below), whose sum is σ = 452163407760. Its totient is φ = 203473533456.

The previous prime is 305210300191. The next prime is 305210300251. The reversal of 305210300211 is 112003012503.

It is not a de Polignac number, because 305210300211 - 2⁹ = 305210299699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305210300251) 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 in 7 ways as a sum of consecutive naturals, for example, 5652042570 + ... + 5652042623.

It is an arithmetic number, because the mean of its divisors is an integer number (56520425970).

Almost surely, 2^305210300211 is an apocalyptic number.

305210300211 is a deficient number, since it is larger than the sum of its proper divisors (146953107549).

305210300211 is a wasteful number, since it uses less digits than its factorization.

305210300211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304085202 (or 11304085196 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 305210300211 its reverse (112003012503), we get a palindrome (417213312714).

The spelling of 305210300211 in words is "three hundred five billion, two hundred ten million, three hundred thousand, two hundred eleven".