200031143 has 8 divisors (see below), whose sum is σ = 215536608. Its totient is φ = 184542624.

The previous prime is 200031137. The next prime is 200031151. The reversal of 200031143 is 341130002.

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-200031143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31505 + ... + 37317.

It is an arithmetic number, because the mean of its divisors is an integer number (26942076).

Almost surely, 2^200031143 is an apocalyptic number.

200031143 is a deficient number, since it is larger than the sum of its proper divisors (15505465).

200031143 is a wasteful number, since it uses less digits than its factorization.

200031143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200031143 is about 14143.2366521953. The cubic root of 200031143 is about 584.8339002953.

Adding to 200031143 its reverse (341130002), we get a palindrome (541161145).

The spelling of 200031143 in words is "two hundred million, thirty-one thousand, one hundred forty-three".