203242441417 has 2 divisors, whose sum is σ = 203242441418. Its totient is φ = 203242441416.

The previous prime is 203242441411. The next prime is 203242441453. The reversal of 203242441417 is 714144242302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102999916096 + 100242525321 = 320936^2 + 316611^2 .

It is a cyclic number.

It is not a de Polignac number, because 203242441417 - 2²³ = 203234052809 is a prime.

It is not a weakly prime, because it can be changed into another prime (203242441411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101621220708 + 101621220709.

It is an arithmetic number, because the mean of its divisors is an integer number (101621220709).

Almost surely, 2^203242441417 is an apocalyptic number.

It is an amenable number.

203242441417 is a deficient number, since it is larger than the sum of its proper divisors (1).

203242441417 is an equidigital number, since it uses as much as digits as its factorization.

203242441417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

Adding to 203242441417 its reverse (714144242302), we get a palindrome (917386683719).

The spelling of 203242441417 in words is "two hundred three billion, two hundred forty-two million, four hundred forty-one thousand, four hundred seventeen".