1131302032 has 40 divisors (see below), whose sum is σ = 2558336256. Its totient is φ = 474525696.

The previous prime is 1131302027. The next prime is 1131302033. The reversal of 1131302032 is 2302031311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1131301997 and 1131302015.

It is not an unprimeable number, because it can be changed into a prime (1131302033) 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 7 ways as a sum of consecutive naturals, for example, 102193 + ... + 112720.

Almost surely, 2^1131302032 is an apocalyptic number.

It is an amenable number.

1131302032 is an abundant number, since it is smaller than the sum of its proper divisors (1427034224).

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

1131302032 is a wasteful number, since it uses less digits than its factorization.

1131302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214975 (or 214969 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1131302032 is about 33634.8336104105. The cubic root of 1131302032 is about 1041.9803342135.

Adding to 1131302032 its reverse (2302031311), we get a palindrome (3433333343).

The spelling of 1131302032 in words is "one billion, one hundred thirty-one million, three hundred two thousand, thirty-two".