831132232000 has 448 divisors, whose sum is σ = 2479308549120. Its totient is φ = 269829120000.

The previous prime is 831132231983. The next prime is 831132232009. The reversal of 831132232000 is 232231138.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831132232009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130084806 + ... + 130091194.

Almost surely, 2^831132232000 is an apocalyptic number.

831132232000 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 831132232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239654274560).

831132232000 is an abundant number, since it is smaller than the sum of its proper divisors (1648176317120).

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

831132232000 is a wasteful number, since it uses less digits than its factorization.

831132232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547 (or 6527 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 831132232000 its reverse (232231138), we get a palindrome (831364463138).

The spelling of 831132232000 in words is "eight hundred thirty-one billion, one hundred thirty-two million, two hundred thirty-two thousand".