30330252013 has 4 divisors (see below), whose sum is σ = 30339205020. Its totient is φ = 30321299008.

The previous prime is 30330251981. The next prime is 30330252019. The reversal of 30330252013 is 31025203303.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18282555369 + 12047696644 = 135213^2 + 109762^2 .

It is a cyclic number.

It is not a de Polignac number, because 30330252013 - 2⁵ = 30330251981 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 (30330252019) 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, 4471420 + ... + 4478197.

It is an arithmetic number, because the mean of its divisors is an integer number (7584801255).

Almost surely, 2^30330252013 is an apocalyptic number.

It is an amenable number.

30330252013 is a deficient number, since it is larger than the sum of its proper divisors (8953007).

30330252013 is an equidigital number, since it uses as much as digits as its factorization.

30330252013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953006.

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 30330252013 its reverse (31025203303), we get a palindrome (61355455316).

The spelling of 30330252013 in words is "thirty billion, three hundred thirty million, two hundred fifty-two thousand, thirteen".