13311103 has 8 divisors (see below), whose sum is σ = 14432096. Its totient is φ = 12204000.

The previous prime is 13311097. The next prime is 13311113. The reversal of 13311103 is 30111331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13311103 - 2¹⁷ = 13180031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (1804012).

Almost surely, 2^13311103 is an apocalyptic number.

13311103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13311103 is a deficient number, since it is larger than the sum of its proper divisors (1120993).

13311103 is a wasteful number, since it uses less digits than its factorization.

13311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 13311103 is about 3648.4384330834. The cubic root of 13311103 is about 236.9943621179.

Adding to 13311103 its reverse (30111331), we get a palindrome (43422434).

It can be divided in two parts, 133 and 11103, that added together give a square (11236 = 106²).

The spelling of 13311103 in words is "thirteen million, three hundred eleven thousand, one hundred three".