831534633312 has 48 divisors (see below), whose sum is σ = 2223962924400. Its totient is φ = 271948431872.

The previous prime is 831534633289. The next prime is 831534633313. The reversal of 831534633312 is 213336435138.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831534633313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81710187 + ... + 81720362.

It is an arithmetic number, because the mean of its divisors is an integer number (46332560925).

Almost surely, 2^831534633312 is an apocalyptic number.

It is an amenable number.

831534633312 is an abundant number, since it is smaller than the sum of its proper divisors (1392428291088).

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

831534633312 is a wasteful number, since it uses less digits than its factorization.

831534633312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163430615 (or 163430607 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The spelling of 831534633312 in words is "eight hundred thirty-one billion, five hundred thirty-four million, six hundred thirty-three thousand, three hundred twelve".