200131444 has 12 divisors (see below), whose sum is σ = 350335300. Its totient is φ = 100035648.

The previous prime is 200131403. The next prime is 200131457. The reversal of 200131444 is 444131002.

It can be written as a sum of positive squares in 2 ways, for example, as 45427600 + 154703844 = 6740^2 + 12438^2 .

It is a congruent number.

It is an unprimeable number.

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, 14842 + ... + 24910.

Almost surely, 2^200131444 is an apocalyptic number.

It is an amenable number.

200131444 is a deficient number, since it is larger than the sum of its proper divisors (150203856).

200131444 is a wasteful number, since it uses less digits than its factorization.

200131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15042 (or 15040 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 200131444 is about 14146.7821076031. The cubic root of 200131444 is about 584.9316344488.

Adding to 200131444 its reverse (444131002), we get a palindrome (644262446).

The spelling of 200131444 in words is "two hundred million, one hundred thirty-one thousand, four hundred forty-four".