1931882112 has 48 divisors (see below), whose sum is σ = 5559195330. Its totient is φ = 643960320.

The previous prime is 1931882081. The next prime is 1931882129. The reversal of 1931882112 is 2112881391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1494904896 + 436977216 = 38664^2 + 20904^2 .

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

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 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 5 ways as a sum of consecutive naturals, for example, 837339 + ... + 839642.

Almost surely, 2^1931882112 is an apocalyptic number.

1931882112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1931882112 is an abundant number, since it is smaller than the sum of its proper divisors (3627313218).

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

1931882112 is a wasteful number, since it uses less digits than its factorization.

1931882112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677001 (or 1676986 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 1931882112 is about 43953.1809087807. The cubic root of 1931882112 is about 1245.4516540056.

The spelling of 1931882112 in words is "one billion, nine hundred thirty-one million, eight hundred eighty-two thousand, one hundred twelve".