10317191 has 4 divisors (see below), whose sum is σ = 10596072. Its totient is φ = 10038312.

The previous prime is 10317187. The next prime is 10317193. The reversal of 10317191 is 19171301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10317191 - 2² = 10317187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10317193) 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, 139385 + ... + 139458.

It is an arithmetic number, because the mean of its divisors is an integer number (2649018).

Almost surely, 2^10317191 is an apocalyptic number.

10317191 is a deficient number, since it is larger than the sum of its proper divisors (278881).

10317191 is an equidigital number, since it uses as much as digits as its factorization.

10317191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278880.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 10317191 is about 3212.0384493340. The cubic root of 10317191 is about 217.6976913998.

Adding to 10317191 its reverse (19171301), we get a palindrome (29488492).

The spelling of 10317191 in words is "ten million, three hundred seventeen thousand, one hundred ninety-one".