30450320165 has 8 divisors (see below), whose sum is σ = 36621768600. Its totient is φ = 24305999872.

The previous prime is 30450320143. The next prime is 30450320167. The reversal of 30450320165 is 56102305403.

It can be written as a sum of positive squares in 4 ways, for example, as 9777056641 + 20673263524 = 98879^2 + 143782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30450320165 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30450320167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6779564 + ... + 6784053.

It is an arithmetic number, because the mean of its divisors is an integer number (4577721075).

Almost surely, 2^30450320165 is an apocalyptic number.

It is an amenable number.

30450320165 is a deficient number, since it is larger than the sum of its proper divisors (6171448435).

30450320165 is a wasteful number, since it uses less digits than its factorization.

30450320165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564071.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 30450320165 its reverse (56102305403), we get a palindrome (86552625568).

The spelling of 30450320165 in words is "thirty billion, four hundred fifty million, three hundred twenty thousand, one hundred sixty-five".