203140103 has 2 divisors, whose sum is σ = 203140104. Its totient is φ = 203140102.

The previous prime is 203140087. The next prime is 203140109. The reversal of 203140103 is 301041302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203140103 - 2⁴ = 203140087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203140109) 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 as a sum of consecutive naturals, namely, 101570051 + 101570052.

It is an arithmetic number, because the mean of its divisors is an integer number (101570052).

Almost surely, 2^203140103 is an apocalyptic number.

203140103 is a deficient number, since it is larger than the sum of its proper divisors (1).

203140103 is an equidigital number, since it uses as much as digits as its factorization.

203140103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203140103 is about 14252.7226521812. The cubic root of 203140103 is about 587.8482406800.

Adding to 203140103 its reverse (301041302), we get a palindrome (504181405).

The spelling of 203140103 in words is "two hundred three million, one hundred forty thousand, one hundred three".