1131210232 has 16 divisors (see below), whose sum is σ = 2125454400. Its totient is φ = 564422400.

The previous prime is 1131210193. The next prime is 1131210247. The reversal of 1131210232 is 2320121311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143769 + ... + 151432.

It is an arithmetic number, because the mean of its divisors is an integer number (132840900).

Almost surely, 2^1131210232 is an apocalyptic number.

It is an amenable number.

1131210232 is a deficient number, since it is larger than the sum of its proper divisors (994244168).

1131210232 is a wasteful number, since it uses less digits than its factorization.

1131210232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295686 (or 295682 counting only the distinct ones).

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

The square root of 1131210232 is about 33633.4689260564. The cubic root of 1131210232 is about 1041.9521494673.

Adding to 1131210232 its reverse (2320121311), we get a palindrome (3451331543).

The spelling of 1131210232 in words is "one billion, one hundred thirty-one million, two hundred ten thousand, two hundred thirty-two".