11213331 has 8 divisors (see below), whose sum is σ = 15355344. Its totient is φ = 7273440.

The previous prime is 11213303. The next prime is 11213347. The reversal of 11213331 is 13331211.

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

It is not a de Polignac number, because 11213331 - 2⁵ = 11213299 is a prime.

It is a super-2 number, since 2×11213331² = 251477584231122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11213331.

It is not an unprimeable number, because it can be changed into a prime (11213381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50400 + ... + 50621.

It is an arithmetic number, because the mean of its divisors is an integer number (1919418).

Almost surely, 2^11213331 is an apocalyptic number.

11213331 is a deficient number, since it is larger than the sum of its proper divisors (4142013).

11213331 is a wasteful number, since it uses less digits than its factorization.

11213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061.

The product of its digits is 54, while the sum is 15.

The square root of 11213331 is about 3348.6312128988. The cubic root of 11213331 is about 223.8265225191.

Adding to 11213331 its reverse (13331211), we get a palindrome (24544542).

The spelling of 11213331 in words is "eleven million, two hundred thirteen thousand, three hundred thirty-one".