2321320203 has 12 divisors (see below), whose sum is σ = 3374376928.
Its totient is φ = 1537688880.
The previous prime is 2321320181. The next prime is 2321320217. The reversal of 2321320203 is 3020231232.
Adding to 2321320203 its reverse (3020231232), we get a palindrome (5341551435).
It is a happy number.
2321320203 is a `hidden beast` number, since 2 + 321 + 320 + 20 + 3 = 666.
It is not a de Polignac number, because 2321320203 - 29 = 2321319691 is a prime.
It is a super-2 number, since 2×23213202032 = 10777054969711922418, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2321320273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820003 + ... + 822828.
Almost surely, 22321320203 is an apocalyptic number.
2321320203 is a deficient number, since it is larger than the sum of its proper divisors (1053056725).
2321320203 is a wasteful number, since it uses less digits than its factorization.
2321320203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1642994 (or 1642991 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2321320203 is about 48180.0809775160.
The cubic root of 2321320203 is about 1324.0722501364.
The spelling of 2321320203 in words is "two billion, three hundred twenty-one million, three hundred twenty thousand, two hundred three".