30530316504521 has 2 divisors, whose sum is σ = 30530316504522. Its totient is φ = 30530316504520.

The previous prime is 30530316504461. The next prime is 30530316504659. The reversal of 30530316504521 is 12540561303503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27330729294400 + 3199587210121 = 5227880^2 + 1788739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30530316504521 is a prime.

It is not a weakly prime, because it can be changed into another prime (30530316507521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265158252260 + 15265158252261.

It is an arithmetic number, because the mean of its divisors is an integer number (15265158252261).

Almost surely, 2^{30530316504521} is an apocalyptic number.

It is an amenable number.

30530316504521 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530316504521 is an equidigital number, since it uses as much as digits as its factorization.

30530316504521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 30530316504521 in words is "thirty trillion, five hundred thirty billion, three hundred sixteen million, five hundred four thousand, five hundred twenty-one".