30103 has 2 divisors, whose sum is σ = 30104.
Its totient is φ = 30102.
The previous prime is 30097. The next prime is 30109.
It is a happy number.
30103 is nontrivially palindromic in base 8 and base 10.
It is a balanced prime because it is at equal distance from previous prime (30097) and next prime (30109).
It is a palprime.
It is a cyclic number.
It is not a de Polignac number, because 30103 - 25 = 30071 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is the 174-th Hogben number.
30103 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30109) by changing a digit.
It is a nontrivial repunit in base 173.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051 + 15052.
It is an arithmetic number, because the mean of its divisors is an integer number (15052).
230103 is an apocalyptic number.
30103 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103 is an equidigital number, since it uses as much as digits as its factorization.
30103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9, while the sum is 7.
The square root of 30103 is about 173.5021613698.
The cubic root of 30103 is about 31.1078449897.
The spelling of 30103 in words is "thirty thousand, one hundred three".