203402204441 has 2 divisors, whose sum is σ = 203402204442. Its totient is φ = 203402204440.

The previous prime is 203402204431. The next prime is 203402204443. The reversal of 203402204441 is 144402204302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123541705225 + 79860499216 = 351485^2 + 282596^2 .

It is a cyclic number.

It is not a de Polignac number, because 203402204441 - 2⁶ = 203402204377 is a prime.

Together with 203402204443, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203402204441.

It is not a weakly prime, because it can be changed into another prime (203402204443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101701102220 + 101701102221.

It is an arithmetic number, because the mean of its divisors is an integer number (101701102221).

Almost surely, 2^203402204441 is an apocalyptic number.

It is an amenable number.

203402204441 is a deficient number, since it is larger than the sum of its proper divisors (1).

203402204441 is an equidigital number, since it uses as much as digits as its factorization.

203402204441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 203402204441 its reverse (144402204302), we get a palindrome (347804408743).

The spelling of 203402204441 in words is "two hundred three billion, four hundred two million, two hundred four thousand, four hundred forty-one".