11232311 has 4 divisors (see below), whose sum is σ = 11343624. Its totient is φ = 11121000.

The previous prime is 11232301. The next prime is 11232329. The reversal of 11232311 is 11323211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11323211 = 101 ⋅112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11232311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55505 + ... + 55706.

It is an arithmetic number, because the mean of its divisors is an integer number (2835906).

Almost surely, 2^11232311 is an apocalyptic number.

11232311 is a deficient number, since it is larger than the sum of its proper divisors (111313).

11232311 is a wasteful number, since it uses less digits than its factorization.

11232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111312.

The product of its digits is 36, while the sum is 14.

The square root of 11232311 is about 3351.4640084596. The cubic root of 11232311 is about 223.9527363611.

Adding to 11232311 its reverse (11323211), we get a palindrome (22555522).

It can be divided in two parts, 112 and 32311, that added together give a palindrome (32423).

The spelling of 11232311 in words is "eleven million, two hundred thirty-two thousand, three hundred eleven".