304240202213 has 6 divisors (see below), whose sum is σ = 307222678854. Its totient is φ = 301286403336.

The previous prime is 304240202209. The next prime is 304240202251. The reversal of 304240202213 is 312202042403.

It can be written as a sum of positive squares in only one way, i.e., 249138743044 + 55101459169 = 499138^2 + 234737^2 .

It is not a de Polignac number, because 304240202213 - 2² = 304240202209 is a prime.

It is a super-3 number, since 3×304240202213³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304240202293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14328170 + ... + 14349387.

It is an arithmetic number, because the mean of its divisors is an integer number (51203779809).

Almost surely, 2^304240202213 is an apocalyptic number.

It is an amenable number.

304240202213 is a deficient number, since it is larger than the sum of its proper divisors (2982476641).

304240202213 is an equidigital number, since it uses as much as digits as its factorization.

304240202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28677763 (or 28677660 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 304240202213 its reverse (312202042403), we get a palindrome (616442244616).

The spelling of 304240202213 in words is "three hundred four billion, two hundred forty million, two hundred two thousand, two hundred thirteen".