30211834073 has 2 divisors, whose sum is σ = 30211834074. Its totient is φ = 30211834072.

The previous prime is 30211834043. The next prime is 30211834091. The reversal of 30211834073 is 37043811203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28342395904 + 1869438169 = 168352^2 + 43237^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211834073 - 2²⁰ = 30210785497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30211834043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105917036 + 15105917037.

It is an arithmetic number, because the mean of its divisors is an integer number (15105917037).

Almost surely, 2^30211834073 is an apocalyptic number.

It is an amenable number.

30211834073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211834073 is an equidigital number, since it uses as much as digits as its factorization.

30211834073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 30211834073 in words is "thirty billion, two hundred eleven million, eight hundred thirty-four thousand, seventy-three".