1131983432 has 32 divisors (see below), whose sum is σ = 2176584480. Its totient is φ = 551591040.

The previous prime is 1131983431. The next prime is 1131983443. The reversal of 1131983432 is 2343891311.

It is a junction number, because it is equal to n+sod(n) for n = 1131983392 and 1131983401.

It is not an unprimeable number, because it can be changed into a prime (1131983431) 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, 564143 + ... + 566145.

It is an arithmetic number, because the mean of its divisors is an integer number (68018265).

Almost surely, 2^1131983432 is an apocalyptic number.

It is an amenable number.

1131983432 is a deficient number, since it is larger than the sum of its proper divisors (1044601048).

1131983432 is a wasteful number, since it uses less digits than its factorization.

1131983432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3769 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 1131983432 is about 33644.9614652774. The cubic root of 1131983432 is about 1042.1894922982.

The spelling of 1131983432 in words is "one billion, one hundred thirty-one million, nine hundred eighty-three thousand, four hundred thirty-two".