30085113161 has 2 divisors, whose sum is σ = 30085113162. Its totient is φ = 30085113160.

The previous prime is 30085113137. The next prime is 30085113173. The reversal of 30085113161 is 16131158003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23494758400 + 6590354761 = 153280^2 + 81181^2 .

It is a cyclic number.

It is not a de Polignac number, because 30085113161 - 2¹⁰ = 30085112137 is a prime.

It is a super-2 number, since 2×30085113161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30085113181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15042556580 + 15042556581.

It is an arithmetic number, because the mean of its divisors is an integer number (15042556581).

Almost surely, 2^30085113161 is an apocalyptic number.

It is an amenable number.

30085113161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30085113161 is an equidigital number, since it uses as much as digits as its factorization.

30085113161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 30085113161 in words is "thirty billion, eighty-five million, one hundred thirteen thousand, one hundred sixty-one".