30082013 has 8 divisors (see below), whose sum is σ = 32452056. Its totient is φ = 27720000.

The previous prime is 30081991. The next prime is 30082037. The reversal of 30082013 is 31028003.

It can be written as a sum of positive squares in 4 ways, for example, as 1747684 + 28334329 = 1322^2 + 5323^2 .

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 30082013 - 2⁸ = 30081757 is a prime.

It is a super-2 number, since 2×30082013² = 1809855012264338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30081982 and 30082000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30082043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7463 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (4056507).

Almost surely, 2^30082013 is an apocalyptic number.

It is an amenable number.

30082013 is a deficient number, since it is larger than the sum of its proper divisors (2370043).

30082013 is a wasteful number, since it uses less digits than its factorization.

30082013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30082013 is about 5484.7071936431. The cubic root of 30082013 is about 311.0061412544.

The spelling of 30082013 in words is "thirty million, eighty-two thousand, thirteen".