103113305 has 4 divisors (see below), whose sum is σ = 123735972. Its totient is φ = 82490640.

The previous prime is 103113289. The next prime is 103113317. The reversal of 103113305 is 503311301.

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 76405081 + 26708224 = 8741^2 + 5168^2 .

It is not a de Polignac number, because 103113305 - 2⁴ = 103113289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10311326 + ... + 10311335.

It is an arithmetic number, because the mean of its divisors is an integer number (30933993).

Almost surely, 2^103113305 is an apocalyptic number.

It is an amenable number.

103113305 is a deficient number, since it is larger than the sum of its proper divisors (20622667).

103113305 is an equidigital number, since it uses as much as digits as its factorization.

103113305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20622666.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 103113305 is about 10154.4721674738. The cubic root of 103113305 is about 468.9266361272.

Adding to 103113305 its reverse (503311301), we get a palindrome (606424606).

The spelling of 103113305 in words is "one hundred three million, one hundred thirteen thousand, three hundred five".