30011005 has 4 divisors (see below), whose sum is σ = 36013212. Its totient is φ = 24008800.

The previous prime is 30010997. The next prime is 30011029. The reversal of 30011005 is 50011003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50011003 = 7 ⋅7144429.

It can be written as a sum of positive squares in 2 ways, for example, as 7628644 + 22382361 = 2762^2 + 4731^2 .

It is not a de Polignac number, because 30011005 - 2³ = 30010997 is a prime.

It is a super-2 number, since 2×30011005² = 1801320842220050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30010982 and 30011000.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3001096 + ... + 3001105.

It is an arithmetic number, because the mean of its divisors is an integer number (9003303).

Almost surely, 2^30011005 is an apocalyptic number.

It is an amenable number.

30011005 is a deficient number, since it is larger than the sum of its proper divisors (6002207).

30011005 is an equidigital number, since it uses as much as digits as its factorization.

30011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002206.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 30011005 is about 5478.2300973946. The cubic root of 30011005 is about 310.7612404990.

Adding to 30011005 its reverse (50011003), we get a palindrome (80022008).

The spelling of 30011005 in words is "thirty million, eleven thousand, five".