213200300309 has 4 divisors (see below), whose sum is σ = 214084949100. Its totient is φ = 212315651520.

The previous prime is 213200300251. The next prime is 213200300347. The reversal of 213200300309 is 903003002312.

213200300309 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 can be written as a sum of positive squares in 2 ways, for example, as 198866943025 + 14333357284 = 445945^2 + 119722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213200300309 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 (213200300609) 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, 442324034 + ... + 442324515.

It is an arithmetic number, because the mean of its divisors is an integer number (53521237275).

Almost surely, 2^213200300309 is an apocalyptic number.

It is an amenable number.

213200300309 is a deficient number, since it is larger than the sum of its proper divisors (884648791).

213200300309 is an equidigital number, since it uses as much as digits as its factorization.

213200300309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884648790.

The product of its (nonzero) digits is 972, while the sum is 23.

The spelling of 213200300309 in words is "two hundred thirteen billion, two hundred million, three hundred thousand, three hundred nine".