11490331 has 4 divisors (see below), whose sum is σ = 11757592. Its totient is φ = 11223072.

The previous prime is 11490319. The next prime is 11490343. The reversal of 11490331 is 13309411.

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

It is an interprime number because it is at equal distance from previous prime (11490319) and next prime (11490343).

It is a cyclic number.

It is not a de Polignac number, because 11490331 - 2⁷ = 11490203 is a prime.

It is a super-2 number, since 2×11490331² = 264055412979122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11490361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133566 + ... + 133651.

It is an arithmetic number, because the mean of its divisors is an integer number (2939398).

Almost surely, 2^11490331 is an apocalyptic number.

11490331 is a deficient number, since it is larger than the sum of its proper divisors (267261).

11490331 is an equidigital number, since it uses as much as digits as its factorization.

11490331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267260.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 11490331 is about 3389.7390755042. The cubic root of 11490331 is about 225.6545941491.

Adding to 11490331 its reverse (13309411), we get a palindrome (24799742).

The spelling of 11490331 in words is "eleven million, four hundred ninety thousand, three hundred thirty-one".