11214431 has 2 divisors, whose sum is σ = 11214432. Its totient is φ = 11214430.

The previous prime is 11214383. The next prime is 11214433. The reversal of 11214431 is 13441211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11214431 - 2¹⁰ = 11213407 is a prime.

It is a super-2 number, since 2×11214431² = 251526925307522, which contains 22 as substring.

Together with 11214433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11214433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607215 + 5607216.

It is an arithmetic number, because the mean of its divisors is an integer number (5607216).

Almost surely, 2^11214431 is an apocalyptic number.

11214431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214431 is an equidigital number, since it uses as much as digits as its factorization.

11214431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 11214431 is about 3348.7954550853. The cubic root of 11214431 is about 223.8338412223.

Adding to 11214431 its reverse (13441211), we get a palindrome (24655642).

The spelling of 11214431 in words is "eleven million, two hundred fourteen thousand, four hundred thirty-one".