30543303213 has 12 divisors (see below), whose sum is σ = 44131843548. Its totient is φ = 20355861120.

The previous prime is 30543303191. The next prime is 30543303233. The reversal of 30543303213 is 31230334503.

It is a happy number.

30543303213 is a `hidden beast` number, since 3 + 0 + 5 + 4 + 330 + 321 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27548696484 + 2994606729 = 165978^2 + 54723^2 .

It is not a de Polignac number, because 30543303213 - 2⁸ = 30543302957 is a prime.

It is a super-4 number, since 4×30543303213⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30543303233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497820 + ... + 555797.

It is an arithmetic number, because the mean of its divisors is an integer number (3677653629).

Almost surely, 2^30543303213 is an apocalyptic number.

It is an amenable number.

30543303213 is a deficient number, since it is larger than the sum of its proper divisors (13588540335).

30543303213 is a wasteful number, since it uses less digits than its factorization.

30543303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056844 (or 1056841 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 30543303213 its reverse (31230334503), we get a palindrome (61773637716).

The spelling of 30543303213 in words is "thirty billion, five hundred forty-three million, three hundred three thousand, two hundred thirteen".