200131212223 has 4 divisors (see below), whose sum is σ = 200334805488. Its totient is φ = 199927618960.

The previous prime is 200131212209. The next prime is 200131212247. The reversal of 200131212223 is 322212131002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200131212223 - 2²⁵ = 200097657791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200131212223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131212283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101795158 + ... + 101797123.

It is an arithmetic number, because the mean of its divisors is an integer number (50083701372).

Almost surely, 2^200131212223 is an apocalyptic number.

200131212223 is a deficient number, since it is larger than the sum of its proper divisors (203593265).

200131212223 is an equidigital number, since it uses as much as digits as its factorization.

200131212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203593264.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200131212223 its reverse (322212131002), we get a palindrome (522343343225).

The spelling of 200131212223 in words is "two hundred billion, one hundred thirty-one million, two hundred twelve thousand, two hundred twenty-three".