30213018394 has 8 divisors (see below), whose sum is σ = 48805645140. Its totient is φ = 13944470016.

The previous prime is 30213018379. The next prime is 30213018401. The reversal of 30213018394 is 49381031203.

It can be written as a sum of positive squares in 2 ways, for example, as 29164100625 + 1048917769 = 170775^2 + 32387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581019559 + ... + 581019610.

Almost surely, 2^30213018394 is an apocalyptic number.

30213018394 is a deficient number, since it is larger than the sum of its proper divisors (18592626746).

30213018394 is a wasteful number, since it uses less digits than its factorization.

30213018394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162039184.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 30213018394 its reverse (49381031203), we get a palindrome (79594049597).

The spelling of 30213018394 in words is "thirty billion, two hundred thirteen million, eighteen thousand, three hundred ninety-four".