82031112 has 24 divisors (see below), whose sum is σ = 222167790. Its totient is φ = 27343680.

The previous prime is 82031083. The next prime is 82031123. The reversal of 82031112 is 21113028.

It can be written as a sum of positive squares in only one way, i.e., 47527236 + 34503876 = 6894^2 + 5874^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 5 ways as a sum of consecutive naturals, for example, 569589 + ... + 569732.

Almost surely, 2^82031112 is an apocalyptic number.

It is an amenable number.

82031112 is an abundant number, since it is smaller than the sum of its proper divisors (140136678).

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

82031112 is a wasteful number, since it uses less digits than its factorization.

82031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139333 (or 1139326 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 82031112 is about 9057.1028480414. The cubic root of 82031112 is about 434.5030869578.

It can be divided in two parts, 8 and 2031112, that added together give a triangular number (2031120 = T₂₀₁₅).

The spelling of 82031112 in words is "eighty-two million, thirty-one thousand, one hundred twelve".