9831331132 has 48 divisors (see below), whose sum is σ = 20840863680. Its totient is φ = 3961469952.

The previous prime is 9831331127. The next prime is 9831331141. The reversal of 9831331132 is 2311331389.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471994 + ... + 492382.

It is an arithmetic number, because the mean of its divisors is an integer number (434184660).

Almost surely, 2^9831331132 is an apocalyptic number.

It is an amenable number.

9831331132 is an abundant number, since it is smaller than the sum of its proper divisors (11009532548).

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

9831331132 is a wasteful number, since it uses less digits than its factorization.

9831331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21430 (or 21428 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 9831331132 is about 99153.0692011095. The cubic root of 9831331132 is about 2142.2530738092.

The spelling of 9831331132 in words is "nine billion, eight hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty-two".