30533123534213 has 2 divisors, whose sum is σ = 30533123534214. Its totient is φ = 30533123534212.

The previous prime is 30533123534159. The next prime is 30533123534237. The reversal of 30533123534213 is 31243532133503.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16067446930084 + 14465676604129 = 4008422^2 + 3803377^2 .

It is an emirp because it is prime and its reverse (31243532133503) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30533123534213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30533123434213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266561767106 + 15266561767107.

It is an arithmetic number, because the mean of its divisors is an integer number (15266561767107).

Almost surely, 2^{30533123534213} is an apocalyptic number.

It is an amenable number.

30533123534213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30533123534213 is an equidigital number, since it uses as much as digits as its factorization.

30533123534213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 38.

Adding to 30533123534213 its reverse (31243532133503), we get a palindrome (61776655667716).

The spelling of 30533123534213 in words is "thirty trillion, five hundred thirty-three billion, one hundred twenty-three million, five hundred thirty-four thousand, two hundred thirteen".