30321443054352 has 20 divisors (see below), whose sum is σ = 78330394557200. Its totient is φ = 10107147684768.

The previous prime is 30321443054341. The next prime is 30321443054429. The reversal of 30321443054352 is 25345034412303.

It is a super-2 number, since 2×30321443054352² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30321443054352.

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, 315848365102 + ... + 315848365197.

It is an arithmetic number, because the mean of its divisors is an integer number (3916519727860).

Almost surely, 2^{30321443054352} is an apocalyptic number.

It is an amenable number.

30321443054352 is an abundant number, since it is smaller than the sum of its proper divisors (48008951502848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321443054352 is a wasteful number, since it uses less digits than its factorization.

30321443054352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631696730310 (or 631696730304 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 30321443054352 its reverse (25345034412303), we get a palindrome (55666477466655).

The spelling of 30321443054352 in words is "thirty trillion, three hundred twenty-one billion, four hundred forty-three million, fifty-four thousand, three hundred fifty-two".