831200000 has 108 divisors (see below), whose sum is σ = 2075804640. Its totient is φ = 332160000.

The previous prime is 831199991. The next prime is 831200017. The reversal of 831200000 is 2138.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799481 + ... + 800519.

Almost surely, 2^831200000 is an apocalyptic number.

831200000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037902320).

831200000 is an abundant number, since it is smaller than the sum of its proper divisors (1244604640).

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

831200000 is an frugal number, since it uses more digits than its factorization.

831200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 831200000 is about 28830.5393636678. The cubic root of 831200000 is about 940.2323252520.

Adding to 831200000 its reverse (2138), we get a palindrome (831202138).

The spelling of 831200000 in words is "eight hundred thirty-one million, two hundred thousand".