1103120313 has 4 divisors (see below), whose sum is σ = 1470827088. Its totient is φ = 735413540.

The previous prime is 1103120281. The next prime is 1103120321. The reversal of 1103120313 is 3130213011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3130213011 = 3 ⋅1043404337.

It is a cyclic number.

It is not a de Polignac number, because 1103120313 - 2⁵ = 1103120281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103120292 and 1103120301.

It is not an unprimeable number, because it can be changed into a prime (1103120353) 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, 183853383 + ... + 183853388.

It is an arithmetic number, because the mean of its divisors is an integer number (367706772).

Almost surely, 2^1103120313 is an apocalyptic number.

It is an amenable number.

1103120313 is a deficient number, since it is larger than the sum of its proper divisors (367706775).

1103120313 is an equidigital number, since it uses as much as digits as its factorization.

1103120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367706774.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103120313 is about 33213.2550798623. The cubic root of 1103120313 is about 1033.2552658215.

Adding to 1103120313 its reverse (3130213011), we get a palindrome (4233333324).

The spelling of 1103120313 in words is "one billion, one hundred three million, one hundred twenty thousand, three hundred thirteen".