831255048 has 160 divisors (see below), whose sum is σ = 2534799960. Its totient is φ = 252979200.

The previous prime is 831255017. The next prime is 831255077. The reversal of 831255048 is 840552138.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 830477124 + 777924 = 28818^2 + 882^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 850336 + ... + 851312.

Almost surely, 2^831255048 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 831255048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267399980).

831255048 is an abundant number, since it is smaller than the sum of its proper divisors (1703544912).

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

831255048 is a wasteful number, since it uses less digits than its factorization.

831255048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 831255048 is about 28831.4940299666. The cubic root of 831255048 is about 940.2530810935.

The spelling of 831255048 in words is "eight hundred thirty-one million, two hundred fifty-five thousand, forty-eight".