31082085 has 48 divisors (see below), whose sum is σ = 57283200. Its totient is φ = 15556992.

The previous prime is 31082053. The next prime is 31082101. The reversal of 31082085 is 58028013.

It is a happy number.

It is not a de Polignac number, because 31082085 - 2⁵ = 31082053 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 60811 + ... + 61319.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 2^31082085 is an apocalyptic number.

It is an amenable number.

31082085 is a deficient number, since it is larger than the sum of its proper divisors (26201115).

31082085 is a wasteful number, since it uses less digits than its factorization.

31082085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 31082085 is about 5575.1309401663. The cubic root of 31082085 is about 314.4150899367.

The spelling of 31082085 in words is "thirty-one million, eighty-two thousand, eighty-five".