203441010691 has 2 divisors, whose sum is σ = 203441010692. Its totient is φ = 203441010690.

The previous prime is 203441010653. The next prime is 203441010701. The reversal of 203441010691 is 196010144302.

203441010691 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203441010691 is a prime.

It is not a weakly prime, because it can be changed into another prime (203441010601) 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, 101720505345 + 101720505346.

It is an arithmetic number, because the mean of its divisors is an integer number (101720505346).

Almost surely, 2^203441010691 is an apocalyptic number.

203441010691 is a deficient number, since it is larger than the sum of its proper divisors (1).

203441010691 is an equidigital number, since it uses as much as digits as its factorization.

203441010691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 203441010691 its reverse (196010144302), we get a palindrome (399451154993).

The spelling of 203441010691 in words is "two hundred three billion, four hundred forty-one million, ten thousand, six hundred ninety-one".