30344343221 has 8 divisors (see below), whose sum is σ = 30485985720. Its totient is φ = 30202780608.

The previous prime is 30344343217. The next prime is 30344343241. The reversal of 30344343221 is 12234344303.

It can be written as a sum of positive squares in 4 ways, for example, as 9133624900 + 21210718321 = 95570^2 + 145639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30344343221 - 2² = 30344343217 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 (30344343241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824015 + ... + 860051.

It is an arithmetic number, because the mean of its divisors is an integer number (3810748215).

Almost surely, 2^30344343221 is an apocalyptic number.

It is an amenable number.

30344343221 is a deficient number, since it is larger than the sum of its proper divisors (141642499).

30344343221 is a wasteful number, since it uses less digits than its factorization.

30344343221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39943.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30344343221 its reverse (12234344303), we get a palindrome (42578687524).

The spelling of 30344343221 in words is "thirty billion, three hundred forty-four million, three hundred forty-three thousand, two hundred twenty-one".