30231224213 has 2 divisors, whose sum is σ = 30231224214. Its totient is φ = 30231224212.

The previous prime is 30231224209. The next prime is 30231224249. The reversal of 30231224213 is 31242213203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21927094084 + 8304130129 = 148078^2 + 91127^2 .

It is an emirp because it is prime and its reverse (31242213203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30231224213 - 2² = 30231224209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231224293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115612106 + 15115612107.

It is an arithmetic number, because the mean of its divisors is an integer number (15115612107).

Almost surely, 2^30231224213 is an apocalyptic number.

It is an amenable number.

30231224213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231224213 is an equidigital number, since it uses as much as digits as its factorization.

30231224213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30231224213 its reverse (31242213203), we get a palindrome (61473437416).

The spelling of 30231224213 in words is "thirty billion, two hundred thirty-one million, two hundred twenty-four thousand, two hundred thirteen".