82031113 has 6 divisors (see below), whose sum is σ = 86576154. Its totient is φ = 77713344.

The previous prime is 82031083. The next prime is 82031123. The reversal of 82031113 is 31113028.

It can be written as a sum of positive squares in only one way, i.e., 48888064 + 33143049 = 6992^2 + 5757^2 .

It is not a de Polignac number, because 82031113 - 2⁹ = 82030601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82031123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113256 + ... + 113977.

It is an arithmetic number, because the mean of its divisors is an integer number (14429359).

Almost surely, 2^82031113 is an apocalyptic number.

It is an amenable number.

82031113 is a deficient number, since it is larger than the sum of its proper divisors (4545041).

82031113 is a wasteful number, since it uses less digits than its factorization.

82031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227271 (or 227252 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 82031113 is about 9057.1029032467. The cubic root of 82031113 is about 434.5030887234.

It can be divided in two parts, 8203 and 1113, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 82031113 in words is "eighty-two million, thirty-one thousand, one hundred thirteen".