199803103 has 2 divisors, whose sum is σ = 199803104. Its totient is φ = 199803102.

The previous prime is 199803101. The next prime is 199803181. The reversal of 199803103 is 301308991.

It is a weak prime.

It is an emirp because it is prime and its reverse (301308991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199803103 - 2¹ = 199803101 is a prime.

Together with 199803101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199803101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99901551 + 99901552.

It is an arithmetic number, because the mean of its divisors is an integer number (99901552).

Almost surely, 2^199803103 is an apocalyptic number.

199803103 is a deficient number, since it is larger than the sum of its proper divisors (1).

199803103 is an equidigital number, since it uses as much as digits as its factorization.

199803103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 199803103 is about 14135.1725493536. The cubic root of 199803103 is about 584.6115745237.

The spelling of 199803103 in words is "one hundred ninety-nine million, eight hundred three thousand, one hundred three".