30982047 has 4 divisors (see below), whose sum is σ = 41309400. Its totient is φ = 20654696.

The previous prime is 30982037. The next prime is 30982067. The reversal of 30982047 is 74028903.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30982047 - 2⁸ = 30981791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30981999 and 30982017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30982037) 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, 5163672 + ... + 5163677.

It is an arithmetic number, because the mean of its divisors is an integer number (10327350).

Almost surely, 2^30982047 is an apocalyptic number.

30982047 is a deficient number, since it is larger than the sum of its proper divisors (10327353).

30982047 is a wasteful number, since it uses less digits than its factorization.

30982047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327352.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 30982047 is about 5566.1519023469. The cubic root of 30982047 is about 314.0774113709.

The spelling of 30982047 in words is "thirty million, nine hundred eighty-two thousand, forty-seven".