11312242 has 16 divisors (see below), whose sum is σ = 18351360. Its totient is φ = 5209408.

The previous prime is 11312221. The next prime is 11312261. The reversal of 11312242 is 24221311.

11312242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (1146960).

Almost surely, 2^11312242 is an apocalyptic number.

11312242 is a deficient number, since it is larger than the sum of its proper divisors (7039118).

11312242 is a wasteful number, since it uses less digits than its factorization.

11312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145.

The product of its digits is 96, while the sum is 16.

The square root of 11312242 is about 3363.3676575718. The cubic root of 11312242 is about 224.4827095676.

Subtracting from 11312242 its product of digits (96), we obtain a triangular number (11312146 = T₄₇₅₆).

Adding to 11312242 its reverse (24221311), we get a palindrome (35533553).

The spelling of 11312242 in words is "eleven million, three hundred twelve thousand, two hundred forty-two".