11183231 has 2 divisors, whose sum is σ = 11183232. Its totient is φ = 11183230.

The previous prime is 11183197. The next prime is 11183251. The reversal of 11183231 is 13238111.

It is an a-pointer prime, because the next prime (11183251) can be obtained adding 11183231 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11183231 - 2⁶ = 11183167 is a prime.

It is a super-2 number, since 2×11183231² = 250129311198722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11183251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591615 + 5591616.

It is an arithmetic number, because the mean of its divisors is an integer number (5591616).

Almost surely, 2^11183231 is an apocalyptic number.

11183231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11183231 is an equidigital number, since it uses as much as digits as its factorization.

11183231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 11183231 is about 3344.1338190928. The cubic root of 11183231 is about 223.6260701722.

The spelling of 11183231 in words is "eleven million, one hundred eighty-three thousand, two hundred thirty-one".