831047533 has 12 divisors (see below), whose sum is σ = 885044160. Its totient is φ = 780181952.

The previous prime is 831047507. The next prime is 831047551. The reversal of 831047533 is 335740138.

831047533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 831047533 - 2²⁵ = 797493101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831047033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117660 + ... + 124522.

It is an arithmetic number, because the mean of its divisors is an integer number (73753680).

Almost surely, 2^831047533 is an apocalyptic number.

It is an amenable number.

831047533 is a deficient number, since it is larger than the sum of its proper divisors (53996627).

831047533 is a wasteful number, since it uses less digits than its factorization.

831047533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316 (or 7299 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 831047533 is about 28827.8950497604. The cubic root of 831047533 is about 940.1748328041.

The spelling of 831047533 in words is "eight hundred thirty-one million, forty-seven thousand, five hundred thirty-three".