30023213321 has 2 divisors, whose sum is σ = 30023213322. Its totient is φ = 30023213320.

The previous prime is 30023213317. The next prime is 30023213327. The reversal of 30023213321 is 12331232003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29193139600 + 830073721 = 170860^2 + 28811^2 .

It is a cyclic number.

It is not a de Polignac number, because 30023213321 - 2² = 30023213317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30023213293 and 30023213302.

It is not a weakly prime, because it can be changed into another prime (30023213327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011606660 + 15011606661.

It is an arithmetic number, because the mean of its divisors is an integer number (15011606661).

Almost surely, 2^30023213321 is an apocalyptic number.

It is an amenable number.

30023213321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023213321 is an equidigital number, since it uses as much as digits as its factorization.

30023213321 is an evil number, because the sum of its binary digits is even.

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

Adding to 30023213321 its reverse (12331232003), we get a palindrome (42354445324).

The spelling of 30023213321 in words is "thirty billion, twenty-three million, two hundred thirteen thousand, three hundred twenty-one".