30210321213 has 6 divisors (see below), whose sum is σ = 43637130654. Its totient is φ = 20140214136.

The previous prime is 30210321161. The next prime is 30210321259. The reversal of 30210321213 is 31212301203.

It can be written as a sum of positive squares in only one way, i.e., 29933498169 + 276823044 = 173013^2 + 16638^2 .

It is not a de Polignac number, because 30210321213 - 2²⁰ = 30209272637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210326213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1678351170 + ... + 1678351187.

It is an arithmetic number, because the mean of its divisors is an integer number (7272855109).

Almost surely, 2^30210321213 is an apocalyptic number.

It is an amenable number.

30210321213 is a deficient number, since it is larger than the sum of its proper divisors (13426809441).

30210321213 is a wasteful number, since it uses less digits than its factorization.

30210321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356702363 (or 3356702360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30210321213 its reverse (31212301203), we get a palindrome (61422622416).

The spelling of 30210321213 in words is "thirty billion, two hundred ten million, three hundred twenty-one thousand, two hundred thirteen".