11418331 has 2 divisors, whose sum is σ = 11418332. Its totient is φ = 11418330.

The previous prime is 11418307. The next prime is 11418343. The reversal of 11418331 is 13381411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11418331 - 2⁵ = 11418299 is a prime.

It is a super-2 number, since 2×11418331² = 260756565651122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11418301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5709165 + 5709166.

It is an arithmetic number, because the mean of its divisors is an integer number (5709166).

Almost surely, 2^11418331 is an apocalyptic number.

11418331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11418331 is an equidigital number, since it uses as much as digits as its factorization.

11418331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 11418331 is about 3379.1020996709. The cubic root of 11418331 is about 225.1822786287.

Adding to 11418331 its reverse (13381411), we get a palindrome (24799742).

The spelling of 11418331 in words is "eleven million, four hundred eighteen thousand, three hundred thirty-one".