11317321 has 8 divisors (see below), whose sum is σ = 11561760. Its totient is φ = 11074752.

The previous prime is 11317309. The next prime is 11317363. The reversal of 11317321 is 12371311.

11317321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11317321 - 2¹¹ = 11315273 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11317381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25326 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (1445220).

Almost surely, 2^11317321 is an apocalyptic number.

It is an amenable number.

11317321 is a deficient number, since it is larger than the sum of its proper divisors (244439).

11317321 is an equidigital number, since it uses as much as digits as its factorization.

11317321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its digits is 126, while the sum is 19.

The square root of 11317321 is about 3364.1226196439. The cubic root of 11317321 is about 224.5163008188.

Adding to 11317321 its reverse (12371311), we get a palindrome (23688632).

The spelling of 11317321 in words is "eleven million, three hundred seventeen thousand, three hundred twenty-one".