31028082 has 8 divisors (see below), whose sum is σ = 62056176. Its totient is φ = 10342692.

The previous prime is 31028071. The next prime is 31028087. The reversal of 31028082 is 28082013.

It is a sphenic number, since it is the product of 3 distinct primes.

31028082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31028087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585668 + ... + 2585679.

It is an arithmetic number, because the mean of its divisors is an integer number (7757022).

Almost surely, 2^31028082 is an apocalyptic number.

31028082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31028082 is a wasteful number, since it uses less digits than its factorization.

31028082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171352.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 31028082 is about 5570.2856300193. The cubic root of 31028082 is about 314.2328927954.

The spelling of 31028082 in words is "thirty-one million, twenty-eight thousand, eighty-two".