11330231 has 4 divisors (see below), whose sum is σ = 12360264. Its totient is φ = 10300200.

The previous prime is 11330197. The next prime is 11330299. The reversal of 11330231 is 13203311.

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 11330231 - 2¹⁰ = 11329207 is a prime.

It is a super-2 number, since 2×11330231² = 256748269026722, 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 (11332231) 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, 515000 + ... + 515021.

It is an arithmetic number, because the mean of its divisors is an integer number (3090066).

Almost surely, 2^11330231 is an apocalyptic number.

11330231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11330231 is a deficient number, since it is larger than the sum of its proper divisors (1030033).

11330231 is a wasteful number, since it uses less digits than its factorization.

11330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030032.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11330231 is about 3366.0408494253. The cubic root of 11330231 is about 224.6016391542.

Adding to 11330231 its reverse (13203311), we get a palindrome (24533542).

Subtracting 11330231 from its reverse (13203311), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 11330231 in words is "eleven million, three hundred thirty thousand, two hundred thirty-one".