200003131 has 4 divisors (see below), whose sum is σ = 200031664. Its totient is φ = 199974600.

The previous prime is 200003123. The next prime is 200003173. The reversal of 200003131 is 131300002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 200003131 - 2³ = 200003123 is a prime.

It is a super-2 number, since 2×200003131² = 80002504819606322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (50007916).

Almost surely, 2^200003131 is an apocalyptic number.

200003131 is a deficient number, since it is larger than the sum of its proper divisors (28533).

200003131 is a wasteful number, since it uses less digits than its factorization.

200003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28532.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 200003131 is about 14142.2463208643. The cubic root of 200003131 is about 584.8065993265.

Adding to 200003131 its reverse (131300002), we get a palindrome (331303133).

The spelling of 200003131 in words is "two hundred million, three thousand, one hundred thirty-one".