30111211213 has 2 divisors, whose sum is σ = 30111211214. Its totient is φ = 30111211212.

The previous prime is 30111211211. The next prime is 30111211217. The reversal of 30111211213 is 31211211103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23032008169 + 7079203044 = 151763^2 + 84138^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111211213 - 2¹ = 30111211211 is a prime.

Together with 30111211211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30111211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055605606 + 15055605607.

It is an arithmetic number, because the mean of its divisors is an integer number (15055605607).

Almost surely, 2^30111211213 is an apocalyptic number.

It is an amenable number.

30111211213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111211213 is an equidigital number, since it uses as much as digits as its factorization.

30111211213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 30111211213 its reverse (31211211103), we get a palindrome (61322422316).

The spelling of 30111211213 in words is "thirty billion, one hundred eleven million, two hundred eleven thousand, two hundred thirteen".