1131310232 has 32 divisors (see below), whose sum is σ = 2285902080. Its totient is φ = 521794560.

The previous prime is 1131310207. The next prime is 1131310241. The reversal of 1131310232 is 2320131311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131310232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216968 + ... + 222120.

It is an arithmetic number, because the mean of its divisors is an integer number (71434440).

Almost surely, 2^1131310232 is an apocalyptic number.

It is an amenable number.

1131310232 is an abundant number, since it is smaller than the sum of its proper divisors (1154591848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131310232 is a wasteful number, since it uses less digits than its factorization.

1131310232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7279 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1131310232 is about 33634.9555076263. The cubic root of 1131310232 is about 1041.9828517311.

Adding to 1131310232 its reverse (2320131311), we get a palindrome (3451441543).

The spelling of 1131310232 in words is "one billion, one hundred thirty-one million, three hundred ten thousand, two hundred thirty-two".