30982823 has 12 divisors (see below), whose sum is σ = 33627552. Its totient is φ = 28527360.

The previous prime is 30982811. The next prime is 30982829. The reversal of 30982823 is 32828903.

It is not a de Polignac number, because 30982823 - 2¹⁶ = 30917287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30982829) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12443 + ... + 14723.

It is an arithmetic number, because the mean of its divisors is an integer number (2802296).

Almost surely, 2^30982823 is an apocalyptic number.

30982823 is a deficient number, since it is larger than the sum of its proper divisors (2644729).

30982823 is a wasteful number, since it uses less digits than its factorization.

30982823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 30982823 is about 5566.2216089552. The cubic root of 30982823 is about 314.0800335566.

The spelling of 30982823 in words is "thirty million, nine hundred eighty-two thousand, eight hundred twenty-three".