203242433311 has 2 divisors, whose sum is σ = 203242433312. Its totient is φ = 203242433310.

The previous prime is 203242433299. The next prime is 203242433327. The reversal of 203242433311 is 113334242302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203242433311 - 2¹⁷ = 203242302239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203242433311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203242433341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101621216655 + 101621216656.

It is an arithmetic number, because the mean of its divisors is an integer number (101621216656).

Almost surely, 2^203242433311 is an apocalyptic number.

203242433311 is a deficient number, since it is larger than the sum of its proper divisors (1).

203242433311 is an equidigital number, since it uses as much as digits as its factorization.

203242433311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203242433311 its reverse (113334242302), we get a palindrome (316576675613).

The spelling of 203242433311 in words is "two hundred three billion, two hundred forty-two million, four hundred thirty-three thousand, three hundred eleven".