30323728161 has 16 divisors (see below), whose sum is σ = 44933345920. Its totient is φ = 20211631920.

The previous prime is 30323728159. The next prime is 30323728199. The reversal of 30323728161 is 16182732303.

It is not a de Polignac number, because 30323728161 - 2¹ = 30323728159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323728111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19356 + ... + 247026.

It is an arithmetic number, because the mean of its divisors is an integer number (2808334120).

Almost surely, 2^30323728161 is an apocalyptic number.

It is an amenable number.

30323728161 is a deficient number, since it is larger than the sum of its proper divisors (14609617759).

30323728161 is a wasteful number, since it uses less digits than its factorization.

30323728161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232613 (or 232607 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 30323728161 in words is "thirty billion, three hundred twenty-three million, seven hundred twenty-eight thousand, one hundred sixty-one".