1003103113 has 4 divisors (see below), whose sum is σ = 1006133968. Its totient is φ = 1000072260.

The previous prime is 1003103111. The next prime is 1003103131. The reversal of 1003103113 is 3113013001.

It is a happy number.

1003103113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 1003103113 - 2¹ = 1003103111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003103093 and 1003103102.

It is not an unprimeable number, because it can be changed into a prime (1003103111) 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, 1514931 + ... + 1515592.

It is an arithmetic number, because the mean of its divisors is an integer number (251533492).

Almost surely, 2^1003103113 is an apocalyptic number.

It is an amenable number.

1003103113 is a deficient number, since it is larger than the sum of its proper divisors (3030855).

1003103113 is an equidigital number, since it uses as much as digits as its factorization.

1003103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030854.

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

The square root of 1003103113 is about 31671.8031220201. The cubic root of 1003103113 is about 1001.0333029173.

Adding to 1003103113 its reverse (3113013001), we get a palindrome (4116116114).

The spelling of 1003103113 in words is "one billion, three million, one hundred three thousand, one hundred thirteen".