30543030343221 has 16 divisors (see below), whose sum is σ = 44427319648320. Its totient is φ = 18510471774720.

The previous prime is 30543030343183. The next prime is 30543030343271. The reversal of 30543030343221 is 12234303034503.

It is not a de Polignac number, because 30543030343221 - 2⁷ = 30543030343093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30543030343271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10029436 + ... + 12715173.

It is an arithmetic number, because the mean of its divisors is an integer number (2776707478020).

Almost surely, 2^{30543030343221} is an apocalyptic number.

It is an amenable number.

30543030343221 is a deficient number, since it is larger than the sum of its proper divisors (13884289305099).

30543030343221 is a wasteful number, since it uses less digits than its factorization.

30543030343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22785316.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 30543030343221 its reverse (12234303034503), we get a palindrome (42777333377724).

The spelling of 30543030343221 in words is "thirty trillion, five hundred forty-three billion, thirty million, three hundred forty-three thousand, two hundred twenty-one".