203320323232231 has 4 divisors (see below), whose sum is σ = 203320799704512. Its totient is φ = 203319846759952.

The previous prime is 203320323232199. The next prime is 203320323232241. The reversal of 203320323232231 is 132232323023302.

It is a happy number.

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 203320323232231 - 2⁵ = 203320323232199 is a prime.

It is a super-2 number, since 2×203320323232231² (a number of 29 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 = 203320323232193 and 203320323232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203320323232241) 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, 237595486 + ... + 238449691.

It is an arithmetic number, because the mean of its divisors is an integer number (50830199926128).

Almost surely, 2^{203320323232231} is an apocalyptic number.

203320323232231 is a deficient number, since it is larger than the sum of its proper divisors (476472281).

203320323232231 is an equidigital number, since it uses as much as digits as its factorization.

203320323232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476472280.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 203320323232231 its reverse (132232323023302), we get a palindrome (335552646255533).

The spelling of 203320323232231 in words is "two hundred three trillion, three hundred twenty billion, three hundred twenty-three million, two hundred thirty-two thousand, two hundred thirty-one".