30324330173 has 2 divisors, whose sum is σ = 30324330174. Its totient is φ = 30324330172.

The previous prime is 30324330161. The next prime is 30324330221. The reversal of 30324330173 is 37103342303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30317077924 + 7252249 = 174118^2 + 2693^2 .

It is an emirp because it is prime and its reverse (37103342303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30324330173 - 2⁶ = 30324330109 is a prime.

It is a super-2 number, since 2×30324330173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30324330143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162165086 + 15162165087.

It is an arithmetic number, because the mean of its divisors is an integer number (15162165087).

Almost surely, 2^30324330173 is an apocalyptic number.

It is an amenable number.

30324330173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30324330173 is an equidigital number, since it uses as much as digits as its factorization.

30324330173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 29.

Adding to 30324330173 its reverse (37103342303), we get a palindrome (67427672476).

The spelling of 30324330173 in words is "thirty billion, three hundred twenty-four million, three hundred thirty thousand, one hundred seventy-three".