30247126165 has 4 divisors (see below), whose sum is σ = 36296551404. Its totient is φ = 24197700928.

The previous prime is 30247126159. The next prime is 30247126193. The reversal of 30247126165 is 56162174203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56162174203 = 23 ⋅2441833661.

It can be written as a sum of positive squares in 2 ways, for example, as 16078747204 + 14168378961 = 126802^2 + 119031^2 .

It is a cyclic number.

It is not a de Polignac number, because 30247126165 - 2²¹ = 30245029013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3024712612 + ... + 3024712621.

It is an arithmetic number, because the mean of its divisors is an integer number (9074137851).

Almost surely, 2^30247126165 is an apocalyptic number.

It is an amenable number.

30247126165 is a deficient number, since it is larger than the sum of its proper divisors (6049425239).

30247126165 is an equidigital number, since it uses as much as digits as its factorization.

30247126165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049425238.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 30247126165 in words is "thirty billion, two hundred forty-seven million, one hundred twenty-six thousand, one hundred sixty-five".