203343042241003 has 16 divisors (see below), whose sum is σ = 232554703739904. Its totient is φ = 174172053411360.

The previous prime is 203343042240983. The next prime is 203343042241021. The reversal of 203343042241003 is 300142240343302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203343042241003 - 2⁴¹ = 201144018985451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203343042241103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288156426 + ... + 288861232.

It is an arithmetic number, because the mean of its divisors is an integer number (14534668983744).

Almost surely, 2^{203343042241003} is an apocalyptic number.

203343042241003 is a deficient number, since it is larger than the sum of its proper divisors (29211661498901).

203343042241003 is a wasteful number, since it uses less digits than its factorization.

203343042241003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733602.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 203343042241003 its reverse (300142240343302), we get a palindrome (503485282584305).

The spelling of 203343042241003 in words is "two hundred three trillion, three hundred forty-three billion, forty-two million, two hundred forty-one thousand, three".