203242442441 has 2 divisors, whose sum is σ = 203242442442. Its totient is φ = 203242442440.

The previous prime is 203242442423. The next prime is 203242442443. The reversal of 203242442441 is 144244242302.

203242442441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198644924416 + 4597518025 = 445696^2 + 67805^2 .

It is a cyclic number.

It is not a de Polignac number, because 203242442441 - 2¹⁰ = 203242441417 is a prime.

Together with 203242442443, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 203242442398 and 203242442407.

It is not a weakly prime, because it can be changed into another prime (203242442443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101621221220 + 101621221221.

It is an arithmetic number, because the mean of its divisors is an integer number (101621221221).

Almost surely, 2^203242442441 is an apocalyptic number.

It is an amenable number.

203242442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

203242442441 is an equidigital number, since it uses as much as digits as its factorization.

203242442441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 203242442441 its reverse (144244242302), we get a palindrome (347486684743).

The spelling of 203242442441 in words is "two hundred three billion, two hundred forty-two million, four hundred forty-two thousand, four hundred forty-one".