30221020330013 has 4 divisors (see below), whose sum is σ = 30221062276608. Its totient is φ = 30220978383420.

The previous prime is 30221020330003. The next prime is 30221020330069. The reversal of 30221020330013 is 31003302012203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30221020330013 - 2¹² = 30221020325917 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 (30221020330003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19873373 + ... + 21339938.

It is an arithmetic number, because the mean of its divisors is an integer number (7555265569152).

Almost surely, 2^{30221020330013} is an apocalyptic number.

It is an amenable number.

30221020330013 is a deficient number, since it is larger than the sum of its proper divisors (41946595).

30221020330013 is an equidigital number, since it uses as much as digits as its factorization.

30221020330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41946594.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30221020330013 its reverse (31003302012203), we get a palindrome (61224322342216).

The spelling of 30221020330013 in words is "thirty trillion, two hundred twenty-one billion, twenty million, three hundred thirty thousand, thirteen".