30301213323221 has 16 divisors (see below), whose sum is σ = 30482502120000. Its totient is φ = 30120636264576.

The previous prime is 30301213323217. The next prime is 30301213323229. The reversal of 30301213323221 is 12232331210303.

It is a cyclic number.

It is not a de Polignac number, because 30301213323221 - 2² = 30301213323217 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 (30301213323229) 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, 131899985 + ... + 132129513.

It is an arithmetic number, because the mean of its divisors is an integer number (1905156382500).

Almost surely, 2^{30301213323221} is an apocalyptic number.

It is an amenable number.

30301213323221 is a deficient number, since it is larger than the sum of its proper divisors (181288796779).

30301213323221 is a wasteful number, since it uses less digits than its factorization.

30301213323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231076.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30301213323221 its reverse (12232331210303), we get a palindrome (42533544533524).

The spelling of 30301213323221 in words is "thirty trillion, three hundred one billion, two hundred thirteen million, three hundred twenty-three thousand, two hundred twenty-one".