30030020213 has 4 divisors (see below), whose sum is σ = 30154626348. Its totient is φ = 29905414080.

The previous prime is 30030020203. The next prime is 30030020227. The reversal of 30030020213 is 31202003003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31202003003 = 15269 ⋅2043487.

It can be written as a sum of positive squares in 2 ways, for example, as 16275890929 + 13754129284 = 127577^2 + 117278^2 .

It is a cyclic number.

It is not a de Polignac number, because 30030020213 - 2⁶ = 30030020149 is a prime.

It is a super-2 number, since 2×30030020213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030020203) 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, 62302706 + ... + 62303187.

It is an arithmetic number, because the mean of its divisors is an integer number (7538656587).

Almost surely, 2^30030020213 is an apocalyptic number.

It is an amenable number.

30030020213 is a deficient number, since it is larger than the sum of its proper divisors (124606135).

30030020213 is a wasteful number, since it uses less digits than its factorization.

30030020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124606134.

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

Adding to 30030020213 its reverse (31202003003), we get a palindrome (61232023216).

The spelling of 30030020213 in words is "thirty billion, thirty million, twenty thousand, two hundred thirteen".