10391113 has 4 divisors (see below), whose sum is σ = 10417428. Its totient is φ = 10364800.

The previous prime is 10391093. The next prime is 10391137. The reversal of 10391113 is 31119301.

It is a happy number.

10391113 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8922169 + 1468944 = 2987^2 + 1212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10391113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10391713) 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, 12556 + ... + 13357.

It is an arithmetic number, because the mean of its divisors is an integer number (2604357).

Almost surely, 2^10391113 is an apocalyptic number.

It is an amenable number.

10391113 is a deficient number, since it is larger than the sum of its proper divisors (26315).

10391113 is an equidigital number, since it uses as much as digits as its factorization.

10391113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26314.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 10391113 is about 3223.5249339814. The cubic root of 10391113 is about 218.2163844803.

The spelling of 10391113 in words is "ten million, three hundred ninety-one thousand, one hundred thirteen".