30233321213 has 2 divisors, whose sum is σ = 30233321214. Its totient is φ = 30233321212.

The previous prime is 30233321197. The next prime is 30233321231. The reversal of 30233321213 is 31212333203.

Together with next prime (30233321231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29881271044 + 352050169 = 172862^2 + 18763^2 .

It is a cyclic number.

It is not a de Polignac number, because 30233321213 - 2⁴ = 30233321197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30233321243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116660606 + 15116660607.

It is an arithmetic number, because the mean of its divisors is an integer number (15116660607).

Almost surely, 2^30233321213 is an apocalyptic number.

It is an amenable number.

30233321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30233321213 is an equidigital number, since it uses as much as digits as its factorization.

30233321213 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 30233321213 its reverse (31212333203), we get a palindrome (61445654416).

The spelling of 30233321213 in words is "thirty billion, two hundred thirty-three million, three hundred twenty-one thousand, two hundred thirteen".