203323202102231 has 4 divisors (see below), whose sum is σ = 208051648662792. Its totient is φ = 198594755541672.

The previous prime is 203323202102219. The next prime is 203323202102287. The reversal of 203323202102231 is 132201202323302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203323202102231 is a prime.

It is a super-2 number, since 2×203323202102231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203323202102231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203323202102431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364223280216 + ... + 2364223280301.

It is an arithmetic number, because the mean of its divisors is an integer number (52012912165698).

Almost surely, 2^{203323202102231} is an apocalyptic number.

203323202102231 is a deficient number, since it is larger than the sum of its proper divisors (4728446560561).

203323202102231 is an equidigital number, since it uses as much as digits as its factorization.

203323202102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728446560560.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203323202102231 its reverse (132201202323302), we get a palindrome (335524404425533).

The spelling of 203323202102231 in words is "two hundred three trillion, three hundred twenty-three billion, two hundred two million, one hundred two thousand, two hundred thirty-one".