30231233321 has 2 divisors, whose sum is σ = 30231233322. Its totient is φ = 30231233320.

The previous prime is 30231233311. The next prime is 30231233401. The reversal of 30231233321 is 12333213203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26198983321 + 4032250000 = 161861^2 + 63500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231233321 is a prime.

It is not a weakly prime, because it can be changed into another prime (30231233311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115616660 + 15115616661.

It is an arithmetic number, because the mean of its divisors is an integer number (15115616661).

Almost surely, 2^30231233321 is an apocalyptic number.

It is an amenable number.

30231233321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231233321 is an equidigital number, since it uses as much as digits as its factorization.

30231233321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30231233321 its reverse (12333213203), we get a palindrome (42564446524).

The spelling of 30231233321 in words is "thirty billion, two hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-one".