103105103 has 2 divisors, whose sum is σ = 103105104. Its totient is φ = 103105102.

The previous prime is 103105073. The next prime is 103105109. The reversal of 103105103 is 301501301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103105103 - 2²⁰ = 102056527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103105109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51552551 + 51552552.

It is an arithmetic number, because the mean of its divisors is an integer number (51552552).

Almost surely, 2^103105103 is an apocalyptic number.

103105103 is a deficient number, since it is larger than the sum of its proper divisors (1).

103105103 is an equidigital number, since it uses as much as digits as its factorization.

103105103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 103105103 is about 10154.0682979779. The cubic root of 103105103 is about 468.9142024319.

Adding to 103105103 its reverse (301501301), we get a palindrome (404606404).

The spelling of 103105103 in words is "one hundred three million, one hundred five thousand, one hundred three".