203342103 has 16 divisors (see below), whose sum is σ = 314346240. Its totient is φ = 129667032.

The previous prime is 203342081. The next prime is 203342107. The reversal of 203342103 is 301243302.

It is not a de Polignac number, because 203342103 - 2¹² = 203338007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203342107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163101 + ... + 164342.

It is an arithmetic number, because the mean of its divisors is an integer number (19646640).

Almost surely, 2^203342103 is an apocalyptic number.

203342103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203342103 is a deficient number, since it is larger than the sum of its proper divisors (111004137).

203342103 is a wasteful number, since it uses less digits than its factorization.

203342103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327475 (or 327469 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 203342103 is about 14259.8072567619. The cubic root of 203342103 is about 588.0430257979.

Adding to 203342103 its reverse (301243302), we get a palindrome (504585405).

The spelling of 203342103 in words is "two hundred three million, three hundred forty-two thousand, one hundred three".