30233201213 has 2 divisors, whose sum is σ = 30233201214. Its totient is φ = 30233201212.

The previous prime is 30233201179. The next prime is 30233201231. The reversal of 30233201213 is 31210233203.

Together with next prime (30233201231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25786578724 + 4446622489 = 160582^2 + 66683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30233201213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30233201113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116600606 + 15116600607.

It is an arithmetic number, because the mean of its divisors is an integer number (15116600607).

Almost surely, 2^30233201213 is an apocalyptic number.

It is an amenable number.

30233201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30233201213 is an equidigital number, since it uses as much as digits as its factorization.

30233201213 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 30233201213 its reverse (31210233203), we get a palindrome (61443434416).

The spelling of 30233201213 in words is "thirty billion, two hundred thirty-three million, two hundred one thousand, two hundred thirteen".