200203321231 has 4 divisors (see below), whose sum is σ = 200215199200. Its totient is φ = 200191443264.

The previous prime is 200203321223. The next prime is 200203321247. The reversal of 200203321231 is 132123302002.

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 200203321231 - 2³ = 200203321223 is a prime.

It is a super-2 number, since 2×200203321231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200203321199 and 200203321208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200203321831) 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, 5913666 + ... + 5947423.

It is an arithmetic number, because the mean of its divisors is an integer number (50053799800).

Almost surely, 2^200203321231 is an apocalyptic number.

200203321231 is a deficient number, since it is larger than the sum of its proper divisors (11877969).

200203321231 is a wasteful number, since it uses less digits than its factorization.

200203321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877968.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200203321231 its reverse (132123302002), we get a palindrome (332326623233).

The spelling of 200203321231 in words is "two hundred billion, two hundred three million, three hundred twenty-one thousand, two hundred thirty-one".