1103320313 has 4 divisors (see below), whose sum is σ = 1103449188. Its totient is φ = 1103191440.

The previous prime is 1103320303. The next prime is 1103320331. The reversal of 1103320313 is 3130233011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 956231929 + 147088384 = 30923^2 + 12128^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103320313 - 2⁴ = 1103320297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103320291 and 1103320300.

It is not an unprimeable number, because it can be changed into a prime (1103320303) 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, 50606 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (275862297).

Almost surely, 2^1103320313 is an apocalyptic number.

It is an amenable number.

1103320313 is a deficient number, since it is larger than the sum of its proper divisors (128875).

1103320313 is an equidigital number, since it uses as much as digits as its factorization.

1103320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128874.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1103320313 is about 33216.2657895194. The cubic root of 1103320313 is about 1033.3177064465.

Adding to 1103320313 its reverse (3130233011), we get a palindrome (4233553324).

The spelling of 1103320313 in words is "one billion, one hundred three million, three hundred twenty thousand, three hundred thirteen".