1103313 has 4 divisors (see below), whose sum is σ = 1471088.
Its totient is φ = 735540.
The previous prime is 1103309. The next prime is 1103339. The reversal of 1103313 is 3133011.
Adding to 1103313 its reverse (3133011), we get a palindrome (4236324).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1103313 - 22 = 1103309 is a prime.
It is a D-number.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1103353) 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, 183883 + ... + 183888.
It is an arithmetic number, because the mean of its divisors is an integer number (367772).
21103313 is an apocalyptic number.
It is an amenable number.
1103313 is a deficient number, since it is larger than the sum of its proper divisors (367775).
1103313 is an equidigital number, since it uses as much as digits as its factorization.
1103313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367774.
The product of its (nonzero) digits is 27, while the sum is 12.
The square root of 1103313 is about 1050.3870715122.
The cubic root of 1103313 is about 103.3315423438.
The spelling of 1103313 in words is "one million, one hundred three thousand, three hundred thirteen".