203204210244103 has 4 divisors (see below), whose sum is σ = 203206856174608. Its totient is φ = 203201564313600.

The previous prime is 203204210244073. The next prime is 203204210244121. The reversal of 203204210244103 is 301442012402302.

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

It is a cyclic number.

It is not a de Polignac number, because 203204210244103 - 2¹⁷ = 203204210113031 is a prime.

It is a super-2 number, since 2×203204210244103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203204210244173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322850051 + ... + 1323003652.

It is an arithmetic number, because the mean of its divisors is an integer number (50801714043652).

Almost surely, 2^{203204210244103} is an apocalyptic number.

203204210244103 is a deficient number, since it is larger than the sum of its proper divisors (2645930505).

203204210244103 is an equidigital number, since it uses as much as digits as its factorization.

203204210244103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645930504.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 203204210244103 its reverse (301442012402302), we get a palindrome (504646222646405).

The spelling of 203204210244103 in words is "two hundred three trillion, two hundred four billion, two hundred ten million, two hundred forty-four thousand, one hundred three".