30013213213 has 4 divisors (see below), whose sum is σ = 30232287900. Its totient is φ = 29794138528.

The previous prime is 30013213171. The next prime is 30013213249. The reversal of 30013213213 is 31231231003.

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 7501811769 + 22511401444 = 86613^2 + 150038^2 .

It is a cyclic number.

It is not a de Polignac number, because 30013213213 - 2¹³ = 30013205021 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 (30013213253) 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, 109537138 + ... + 109537411.

It is an arithmetic number, because the mean of its divisors is an integer number (7558071975).

Almost surely, 2^30013213213 is an apocalyptic number.

It is an amenable number.

30013213213 is a deficient number, since it is larger than the sum of its proper divisors (219074687).

30013213213 is a wasteful number, since it uses less digits than its factorization.

30013213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219074686.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30013213213 its reverse (31231231003), we get a palindrome (61244444216).

The spelling of 30013213213 in words is "thirty billion, thirteen million, two hundred thirteen thousand, two hundred thirteen".