11304231 has 4 divisors (see below), whose sum is σ = 15072312. Its totient is φ = 7536152.

The previous prime is 11304217. The next prime is 11304239. The reversal of 11304231 is 13240311.

11304231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11304231 - 2⁵ = 11304199 is a prime.

It is a super-3 number, since 3×11304231³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11304231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884036 + ... + 1884041.

It is an arithmetic number, because the mean of its divisors is an integer number (3768078).

Almost surely, 2^11304231 is an apocalyptic number.

11304231 is a deficient number, since it is larger than the sum of its proper divisors (3768081).

11304231 is an equidigital number, since it uses as much as digits as its factorization.

11304231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768080.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11304231 is about 3362.1765271919. The cubic root of 11304231 is about 224.4297063503.

Adding to 11304231 its reverse (13240311), we get a palindrome (24544542).

The spelling of 11304231 in words is "eleven million, three hundred four thousand, two hundred thirty-one".