30343550424221 has 4 divisors (see below), whose sum is σ = 30401791404444. Its totient is φ = 30285309444000.

The previous prime is 30343550424199. The next prime is 30343550424307. The reversal of 30343550424221 is 12242405534303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9338616487225 + 21004933936996 = 3055915^2 + 4583114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30343550424221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30343550420221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29120489330 + ... + 29120490371.

It is an arithmetic number, because the mean of its divisors is an integer number (7600447851111).

Almost surely, 2^{30343550424221} is an apocalyptic number.

It is an amenable number.

30343550424221 is a deficient number, since it is larger than the sum of its proper divisors (58240980223).

30343550424221 is an equidigital number, since it uses as much as digits as its factorization.

30343550424221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58240980222.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 30343550424221 its reverse (12242405534303), we get a palindrome (42585955958524).

The spelling of 30343550424221 in words is "thirty trillion, three hundred forty-three billion, five hundred fifty million, four hundred twenty-four thousand, two hundred twenty-one".