203202113203 has 4 divisors (see below), whose sum is σ = 203332456080. Its totient is φ = 203071770328.

The previous prime is 203202113189. The next prime is 203202113221. The reversal of 203202113203 is 302311202302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203202113203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203202113243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65169100 + ... + 65172217.

It is an arithmetic number, because the mean of its divisors is an integer number (50833114020).

Almost surely, 2^203202113203 is an apocalyptic number.

203202113203 is a deficient number, since it is larger than the sum of its proper divisors (130342877).

203202113203 is a wasteful number, since it uses less digits than its factorization.

203202113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130342876.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203202113203 its reverse (302311202302), we get a palindrome (505513315505).

The spelling of 203202113203 in words is "two hundred three billion, two hundred two million, one hundred thirteen thousand, two hundred three".