30213212233 has 2 divisors, whose sum is σ = 30213212234. Its totient is φ = 30213212232.

The previous prime is 30213212203. The next prime is 30213212261. The reversal of 30213212233 is 33221231203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27689958409 + 2523253824 = 166403^2 + 50232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30213212233 is a prime.

It is not a weakly prime, because it can be changed into another prime (30213212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106606116 + 15106606117.

It is an arithmetic number, because the mean of its divisors is an integer number (15106606117).

Almost surely, 2^30213212233 is an apocalyptic number.

It is an amenable number.

30213212233 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213212233 is an equidigital number, since it uses as much as digits as its factorization.

30213212233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30213212233 its reverse (33221231203), we get a palindrome (63434443436).

The spelling of 30213212233 in words is "thirty billion, two hundred thirteen million, two hundred twelve thousand, two hundred thirty-three".