11313238 has 4 divisors (see below), whose sum is σ = 16969860. Its totient is φ = 5656618.

The previous prime is 11313209. The next prime is 11313271. The reversal of 11313238 is 83231311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83231311 = 31 ⋅2684881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828308 + ... + 2828311.

It is an arithmetic number, because the mean of its divisors is an integer number (4242465).

Almost surely, 2^11313238 is an apocalyptic number.

11313238 is a deficient number, since it is larger than the sum of its proper divisors (5656622).

11313238 is an equidigital number, since it uses as much as digits as its factorization.

11313238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656621.

The product of its digits is 432, while the sum is 22.

The square root of 11313238 is about 3363.5157201952. The cubic root of 11313238 is about 224.4892976580.

Adding to 11313238 its reverse (83231311), we get a palindrome (94544549).

The spelling of 11313238 in words is "eleven million, three hundred thirteen thousand, two hundred thirty-eight".