200131223321 has 8 divisors (see below), whose sum is σ = 202000398600. Its totient is φ = 198262650240.

The previous prime is 200131223293. The next prime is 200131223323. The reversal of 200131223321 is 123322131002.

It can be written as a sum of positive squares in 4 ways, for example, as 33769207696 + 166362015625 = 183764^2 + 407875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200131223321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200131223293 and 200131223302.

It is not an unprimeable number, because it can be changed into a prime (200131223323) 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 7 ways as a sum of consecutive naturals, for example, 531581 + ... + 826341.

It is an arithmetic number, because the mean of its divisors is an integer number (25250049825).

Almost surely, 2^200131223321 is an apocalyptic number.

It is an amenable number.

200131223321 is a deficient number, since it is larger than the sum of its proper divisors (1869175279).

200131223321 is a wasteful number, since it uses less digits than its factorization.

200131223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301099.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 200131223321 its reverse (123322131002), we get a palindrome (323453354323).

The spelling of 200131223321 in words is "two hundred billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty-one".