30323161 has 8 divisors (see below), whose sum is σ = 33622848. Its totient is φ = 27114000.

The previous prime is 30323143. The next prime is 30323171. The reversal of 30323161 is 16132303.

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

It is a cyclic number.

It is not a de Polignac number, because 30323161 - 2¹¹ = 30321113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323141) 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, 21925 + ... + 23266.

It is an arithmetic number, because the mean of its divisors is an integer number (4202856).

Almost surely, 2^30323161 is an apocalyptic number.

It is an amenable number.

30323161 is a deficient number, since it is larger than the sum of its proper divisors (3299687).

30323161 is a wasteful number, since it uses less digits than its factorization.

30323161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45263.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30323161 is about 5506.6469834192. The cubic root of 30323161 is about 311.8349753256.

Adding to 30323161 its reverse (16132303), we get a palindrome (46455464).

The spelling of 30323161 in words is "thirty million, three hundred twenty-three thousand, one hundred sixty-one".