831481344 has 120 divisors (see below), whose sum is σ = 2526278040. Its totient is φ = 262545408.

The previous prime is 831481333. The next prime is 831481351. The reversal of 831481344 is 443184138.

It is a super-2 number, since 2×831481344² = 1382722450840092672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 831481299 and 831481308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82804 + ... + 92300.

It is an arithmetic number, because the mean of its divisors is an integer number (21052317).

Almost surely, 2^831481344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831481344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263139020).

831481344 is an abundant number, since it is smaller than the sum of its proper divisors (1694796696).

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

831481344 is a wasteful number, since it uses less digits than its factorization.

831481344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540 (or 9521 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 831481344 is about 28835.4182213472. The cubic root of 831481344 is about 940.3383963472.

The spelling of 831481344 in words is "eight hundred thirty-one million, four hundred eighty-one thousand, three hundred forty-four".