11232131 has 4 divisors (see below), whose sum is σ = 11444112. Its totient is φ = 11020152.

The previous prime is 11232083. The next prime is 11232139. The reversal of 11232131 is 13123211.

11232131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11232131 is a prime.

It is a super-2 number, since 2×11232131² = 252321533602322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11232139) 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, 105911 + ... + 106016.

It is an arithmetic number, because the mean of its divisors is an integer number (2861028).

Almost surely, 2^11232131 is an apocalyptic number.

11232131 is a deficient number, since it is larger than the sum of its proper divisors (211981).

11232131 is an equidigital number, since it uses as much as digits as its factorization.

11232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211980.

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

The square root of 11232131 is about 3351.4371544160. The cubic root of 11232131 is about 223.9515400591.

Adding to 11232131 its reverse (13123211), we get a palindrome (24355342).

The spelling of 11232131 in words is "eleven million, two hundred thirty-two thousand, one hundred thirty-one".