1103313313 has 4 divisors (see below), whose sum is σ = 1118427268. Its totient is φ = 1088199360.

The previous prime is 1103313269. The next prime is 1103313347. The reversal of 1103313313 is 3133133011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3133133011 = 521 ⋅6013691.

It can be written as a sum of positive squares in 2 ways, for example, as 515153809 + 588159504 = 22697^2 + 24252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103313313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103313353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7556868 + ... + 7557013.

It is an arithmetic number, because the mean of its divisors is an integer number (279606817).

Almost surely, 2^1103313313 is an apocalyptic number.

It is an amenable number.

1103313313 is a deficient number, since it is larger than the sum of its proper divisors (15113955).

1103313313 is an equidigital number, since it uses as much as digits as its factorization.

1103313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113954.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1103313313 is about 33216.1604192899. The cubic root of 1103313313 is about 1033.3155211521.

Adding to 1103313313 its reverse (3133133011), we get a palindrome (4236446324).

The spelling of 1103313313 in words is "one billion, one hundred three million, three hundred thirteen thousand, three hundred thirteen".