11431132 has 12 divisors (see below), whose sum is σ = 20343960. Its totient is φ = 5618576.

The previous prime is 11431129. The next prime is 11431139. The reversal of 11431132 is 23113411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431139) 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, 23983 + ... + 24454.

It is an arithmetic number, because the mean of its divisors is an integer number (1695330).

Almost surely, 2^11431132 is an apocalyptic number.

It is an amenable number.

11431132 is a deficient number, since it is larger than the sum of its proper divisors (8912828).

11431132 is a wasteful number, since it uses less digits than its factorization.

11431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48500 (or 48498 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 11431132 is about 3380.9957113253. The cubic root of 11431132 is about 225.2663972217.

Adding to 11431132 its reverse (23113411), we get a palindrome (34544543).

The spelling of 11431132 in words is "eleven million, four hundred thirty-one thousand, one hundred thirty-two".