200030231 has 4 divisors (see below), whose sum is σ = 200058600. Its totient is φ = 200001864.

The previous prime is 200030213. The next prime is 200030273. The reversal of 200030231 is 132030002.

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 a de Polignac number, because none of the positive numbers 2^k-200030231 is a prime.

It is a super-2 number, since 2×200030231² = 80024186627826722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200038231) 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, 5480 + ... + 20738.

It is an arithmetic number, because the mean of its divisors is an integer number (50014650).

Almost surely, 2^200030231 is an apocalyptic number.

200030231 is a deficient number, since it is larger than the sum of its proper divisors (28369).

200030231 is a wasteful number, since it uses less digits than its factorization.

200030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28368.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 200030231 is about 14143.2044105995. The cubic root of 200030231 is about 584.8330114848.

Adding to 200030231 its reverse (132030002), we get a palindrome (332060233).

The spelling of 200030231 in words is "two hundred million, thirty thousand, two hundred thirty-one".