200031442 has 24 divisors (see below), whose sum is σ = 332483184. Its totient is φ = 90168624.

The previous prime is 200031421. The next prime is 200031443. The reversal of 200031442 is 244130002.

It is not an unprimeable number, because it can be changed into a prime (200031443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7653 + ... + 21415.

It is an arithmetic number, because the mean of its divisors is an integer number (13853466).

Almost surely, 2^200031442 is an apocalyptic number.

200031442 is a deficient number, since it is larger than the sum of its proper divisors (132451742).

200031442 is a wasteful number, since it uses less digits than its factorization.

200031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13834 (or 13821 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 200031442 is about 14143.2472226148. The cubic root of 200031442 is about 584.8341916920.

Adding to 200031442 its reverse (244130002), we get a palindrome (444161444).

The spelling of 200031442 in words is "two hundred million, thirty-one thousand, four hundred forty-two".