30213133443 has 6 divisors (see below), whose sum is σ = 43641192764. Its totient is φ = 20142088956.

The previous prime is 30213133441. The next prime is 30213133451. The reversal of 30213133443 is 34433131203.

30213133443 is a `hidden beast` number, since 3 + 0 + 2 + 1 + 313 + 344 + 3 = 666.

It is not a de Polignac number, because 30213133443 - 2¹ = 30213133441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213133441) 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 5 ways as a sum of consecutive naturals, for example, 1678507405 + ... + 1678507422.

Almost surely, 2^30213133443 is an apocalyptic number.

30213133443 is a deficient number, since it is larger than the sum of its proper divisors (13428059321).

30213133443 is a wasteful number, since it uses less digits than its factorization.

30213133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357014833 (or 3357014830 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 30213133443 its reverse (34433131203), we get a palindrome (64646264646).

The spelling of 30213133443 in words is "thirty billion, two hundred thirteen million, one hundred thirty-three thousand, four hundred forty-three".