30140000173 has 2 divisors, whose sum is σ = 30140000174. Its totient is φ = 30140000172.

The previous prime is 30140000071. The next prime is 30140000203. The reversal of 30140000173 is 37100004103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26275761604 + 3864238569 = 162098^2 + 62163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30140000173 is a prime.

It is a super-2 number, since 2×30140000173² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30140000173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30140000773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070000086 + 15070000087.

It is an arithmetic number, because the mean of its divisors is an integer number (15070000087).

Almost surely, 2^30140000173 is an apocalyptic number.

It is an amenable number.

30140000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140000173 is an equidigital number, since it uses as much as digits as its factorization.

30140000173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 30140000173 its reverse (37100004103), we get a palindrome (67240004276).

The spelling of 30140000173 in words is "thirty billion, one hundred forty million, one hundred seventy-three", and thus it is an aban number.