11321351 has 4 divisors (see below), whose sum is σ = 11476512. Its totient is φ = 11166192.

The previous prime is 11321347. The next prime is 11321353. The reversal of 11321351 is 15312311.

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 11321351 - 2² = 11321347 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 (11321353) 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, 77471 + ... + 77616.

It is an arithmetic number, because the mean of its divisors is an integer number (2869128).

Almost surely, 2^11321351 is an apocalyptic number.

11321351 is a deficient number, since it is larger than the sum of its proper divisors (155161).

11321351 is an equidigital number, since it uses as much as digits as its factorization.

11321351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155160.

The product of its digits is 90, while the sum is 17.

The square root of 11321351 is about 3364.7215337974. The cubic root of 11321351 is about 224.5429470931.

Adding to 11321351 its reverse (15312311), we get a palindrome (26633662).

The spelling of 11321351 in words is "eleven million, three hundred twenty-one thousand, three hundred fifty-one".