200031043 has 4 divisors (see below), whose sum is σ = 201900600. Its totient is φ = 198161488.

The previous prime is 200031011. The next prime is 200031071. The reversal of 200031043 is 340130002.

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 200031043 - 2⁵ = 200031011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200031343) 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, 934618 + ... + 934831.

It is an arithmetic number, because the mean of its divisors is an integer number (50475150).

Almost surely, 2^200031043 is an apocalyptic number.

200031043 is a deficient number, since it is larger than the sum of its proper divisors (1869557).

200031043 is a wasteful number, since it uses less digits than its factorization.

200031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869556.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 200031043 is about 14143.2331169362. The cubic root of 200031043 is about 584.8338028382.

Adding to 200031043 its reverse (340130002), we get a palindrome (540161045).

The spelling of 200031043 in words is "two hundred million, thirty-one thousand, forty-three".