11320103 has 4 divisors (see below), whose sum is σ = 11406648. Its totient is φ = 11233560.

The previous prime is 11320097. The next prime is 11320129. The reversal of 11320103 is 30102311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30102311 = 523 ⋅57557.

It is a cyclic number.

It is not a de Polignac number, because 11320103 - 2⁴ = 11320087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43076 + ... + 43337.

It is an arithmetic number, because the mean of its divisors is an integer number (2851662).

Almost surely, 2^11320103 is an apocalyptic number.

11320103 is a deficient number, since it is larger than the sum of its proper divisors (86545).

11320103 is an equidigital number, since it uses as much as digits as its factorization.

11320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86544.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11320103 is about 3364.5360750035. The cubic root of 11320103 is about 224.5346960196.

Adding to 11320103 its reverse (30102311), we get a palindrome (41422414).

The spelling of 11320103 in words is "eleven million, three hundred twenty thousand, one hundred three".