200100231 has 6 divisors (see below), whose sum is σ = 289033680. Its totient is φ = 133400148.

The previous prime is 200100209. The next prime is 200100247. The reversal of 200100231 is 132001002.

It is a happy number.

It is not a de Polignac number, because 200100231 - 2²¹ = 198003079 is a prime.

It is a super-2 number, since 2×200100231² = 80080204892506722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22233359 = 200100231 / (2 + 0 + 0 + 1 + 0 + 0 + 2 + 3 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11116671 + ... + 11116688.

It is an arithmetic number, because the mean of its divisors is an integer number (48172280).

Almost surely, 2^200100231 is an apocalyptic number.

200100231 is a deficient number, since it is larger than the sum of its proper divisors (88933449).

200100231 is a wasteful number, since it uses less digits than its factorization.

200100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233365 (or 22233362 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200100231 is about 14145.6788808456. The cubic root of 200100231 is about 584.9012237347.

Adding to 200100231 its reverse (132001002), we get a palindrome (332101233).

The spelling of 200100231 in words is "two hundred million, one hundred thousand, two hundred thirty-one".