203420341 has 2 divisors, whose sum is σ = 203420342. Its totient is φ = 203420340.

The previous prime is 203420281. The next prime is 203420359. The reversal of 203420341 is 143024302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150552900 + 52867441 = 12270^2 + 7271^2 .

It is a cyclic number.

It is not a de Polignac number, because 203420341 - 2¹³ = 203412149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203420381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101710170 + 101710171.

It is an arithmetic number, because the mean of its divisors is an integer number (101710171).

Almost surely, 2^203420341 is an apocalyptic number.

It is an amenable number.

203420341 is a deficient number, since it is larger than the sum of its proper divisors (1).

203420341 is an equidigital number, since it uses as much as digits as its factorization.

203420341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203420341 is about 14262.5502978955. The cubic root of 203420341 is about 588.1184346946.

Adding to 203420341 its reverse (143024302), we get a palindrome (346444643).

The spelling of 203420341 in words is "two hundred three million, four hundred twenty thousand, three hundred forty-one".