30034013 has 4 divisors (see below), whose sum is σ = 30343740. Its totient is φ = 29724288.

The previous prime is 30034007. The next prime is 30034027. The reversal of 30034013 is 31043003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31043003 = 17 ⋅1826059.

It can be written as a sum of positive squares in 2 ways, for example, as 15578809 + 14455204 = 3947^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 30034013 - 2¹⁴ = 30017629 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 (30034063) 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, 154718 + ... + 154911.

It is an arithmetic number, because the mean of its divisors is an integer number (7585935).

Almost surely, 2^30034013 is an apocalyptic number.

It is an amenable number.

30034013 is a deficient number, since it is larger than the sum of its proper divisors (309727).

30034013 is an equidigital number, since it uses as much as digits as its factorization.

30034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309726.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30034013 is about 5480.3296433700. The cubic root of 30034013 is about 310.8406354656.

Adding to 30034013 its reverse (31043003), we get a palindrome (61077016).

The spelling of 30034013 in words is "thirty million, thirty-four thousand, thirteen".