30221300312321 has 16 divisors (see below), whose sum is σ = 31755833710848. Its totient is φ = 28730927448000.

The previous prime is 30221300312249. The next prime is 30221300312323. The reversal of 30221300312321 is 12321300312203.

It is a cyclic number.

It is not a de Polignac number, because 30221300312321 - 2²⁶ = 30221233203457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221300312323) 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, 43997045 + ... + 44678658.

It is an arithmetic number, because the mean of its divisors is an integer number (1984739606928).

Almost surely, 2^{30221300312321} is an apocalyptic number.

It is an amenable number.

30221300312321 is a deficient number, since it is larger than the sum of its proper divisors (1534533398527).

30221300312321 is a wasteful number, since it uses less digits than its factorization.

30221300312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88675952.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30221300312321 its reverse (12321300312203), we get a palindrome (42542600624524).

The spelling of 30221300312321 in words is "thirty trillion, two hundred twenty-one billion, three hundred million, three hundred twelve thousand, three hundred twenty-one".