200342313221 has 4 divisors (see below), whose sum is σ = 200382314700. Its totient is φ = 200302311744.

The previous prime is 200342313217. The next prime is 200342313233. The reversal of 200342313221 is 122313243002.

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 108645388996 + 91696924225 = 329614^2 + 302815^2 .

It is a cyclic number.

It is not a de Polignac number, because 200342313221 - 2² = 200342313217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200342313251) 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 3 ways as a sum of consecutive naturals, for example, 19993226 + ... + 20003243.

It is an arithmetic number, because the mean of its divisors is an integer number (50095578675).

Almost surely, 2^200342313221 is an apocalyptic number.

It is an amenable number.

200342313221 is a deficient number, since it is larger than the sum of its proper divisors (40001479).

200342313221 is an equidigital number, since it uses as much as digits as its factorization.

200342313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40001478.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 200342313221 its reverse (122313243002), we get a palindrome (322655556223).

The spelling of 200342313221 in words is "two hundred billion, three hundred forty-two million, three hundred thirteen thousand, two hundred twenty-one".