1103320013 has 2 divisors, whose sum is σ = 1103320014. Its totient is φ = 1103320012.

The previous prime is 1103320003. The next prime is 1103320073. The reversal of 1103320013 is 3100233011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086163849 + 17156164 = 32957^2 + 4142^2 .

It is an emirp because it is prime and its reverse (3100233011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103320013 - 2³⁰ = 29578189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103320013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103320003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551660006 + 551660007.

It is an arithmetic number, because the mean of its divisors is an integer number (551660007).

Almost surely, 2^1103320013 is an apocalyptic number.

It is an amenable number.

1103320013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103320013 is an equidigital number, since it uses as much as digits as its factorization.

1103320013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1103320013 is about 33216.2612736593. The cubic root of 1103320013 is about 1033.3176127912.

Adding to 1103320013 its reverse (3100233011), we get a palindrome (4203553024).

The spelling of 1103320013 in words is "one billion, one hundred three million, three hundred twenty thousand, thirteen".