30520166624203 has 2 divisors, whose sum is σ = 30520166624204. Its totient is φ = 30520166624202.

The previous prime is 30520166624197. The next prime is 30520166624257. The reversal of 30520166624203 is 30242666102503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30520166624203 - 2²¹ = 30520164527051 is a prime.

It is a super-2 number, since 2×30520166624203² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30520166654203) 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, 15260083312101 + 15260083312102.

It is an arithmetic number, because the mean of its divisors is an integer number (15260083312102).

Almost surely, 2^{30520166624203} is an apocalyptic number.

30520166624203 is a deficient number, since it is larger than the sum of its proper divisors (1).

30520166624203 is an equidigital number, since it uses as much as digits as its factorization.

30520166624203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 30520166624203 in words is "thirty trillion, five hundred twenty billion, one hundred sixty-six million, six hundred twenty-four thousand, two hundred three".