30865013 has 8 divisors (see below), whose sum is σ = 33441408. Its totient is φ = 28373184.

The previous prime is 30865001. The next prime is 30865033. The reversal of 30865013 is 31056803.

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

It is a cyclic number.

It is not a de Polignac number, because 30865013 - 2⁴ = 30864997 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 (30865033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20381 + ... + 21842.

It is an arithmetic number, because the mean of its divisors is an integer number (4180176).

Almost surely, 2^30865013 is an apocalyptic number.

It is an amenable number.

30865013 is a deficient number, since it is larger than the sum of its proper divisors (2576395).

30865013 is a wasteful number, since it uses less digits than its factorization.

30865013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42283.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30865013 is about 5555.6289472930. The cubic root of 30865013 is about 313.6814388584.

The spelling of 30865013 in words is "thirty million, eight hundred sixty-five thousand, thirteen".