3103 has 4 divisors (see below), whose sum is σ = 3240. Its totient is φ = 2968.
The previous prime is 3089. The next prime is 3109. The reversal of 3103 is 3013.
It is a happy number.
3103 is nontrivially palindromic in base 15.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013 = 23 ⋅131.
It is a cyclic number.
It is not a de Polignac number, because 3103 - 29 = 2591 is a prime.
It is a Duffinian number.
3103 is an undulating number in base 15.
It is a nialpdrome in base 6.
It is a zygodrome in base 2 and base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25 + ... + 82.
It is an arithmetic number, because the mean of its divisors is an integer number (810).
3103 is a deficient number, since it is larger than the sum of its proper divisors (137).
3103 is a wasteful number, since it uses less digits than its factorization.
3103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136.
The product of its (nonzero) digits is 9, while the sum is 7.
The square root of 3103 is about 55.7045779088. The cubic root of 3103 is about 14.5856993893.
Adding to 3103 its reverse (3013), we get a palindrome (6116).
It can be divided in two parts, 310 and 3, that added together give a palindrome (313).
The spelling of 3103 in words is "three thousand, one hundred three", and thus it is an iban number.
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