11239231 has 8 divisors (see below), whose sum is σ = 11614320. Its totient is φ = 10867968.

The previous prime is 11239223. The next prime is 11239237. The reversal of 11239231 is 13293211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11239231 - 2³ = 11239223 is a prime.

It is a super-2 number, since 2×11239231² = 252640626942722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11239237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5775 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (1451790).

Almost surely, 2^11239231 is an apocalyptic number.

11239231 is a deficient number, since it is larger than the sum of its proper divisors (375089).

11239231 is a wasteful number, since it uses less digits than its factorization.

11239231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

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

The square root of 11239231 is about 3352.4962341515. The cubic root of 11239231 is about 223.9987178392.

The spelling of 11239231 in words is "eleven million, two hundred thirty-nine thousand, two hundred thirty-one".