30030173173 has 48 divisors (see below), whose sum is σ = 41815097856. Its totient is φ = 21192312960.

The previous prime is 30030173171. The next prime is 30030173183. The reversal of 30030173173 is 37137103003.

It is not a de Polignac number, because 30030173173 - 2¹ = 30030173171 is a prime.

It is a super-2 number, since 2×30030173173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030173171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330940 + ... + 411802.

It is an arithmetic number, because the mean of its divisors is an integer number (871147872).

Almost surely, 2^30030173173 is an apocalyptic number.

It is an amenable number.

30030173173 is a deficient number, since it is larger than the sum of its proper divisors (11784924683).

30030173173 is a wasteful number, since it uses less digits than its factorization.

30030173173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80954 (or 80947 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 28.

Adding to 30030173173 its reverse (37137103003), we get a palindrome (67167276176).

It can be divided in two parts, 30030 and 173173, that added together give a triangular number (203203 = T₆₃₇).

The spelling of 30030173173 in words is "thirty billion, thirty million, one hundred seventy-three thousand, one hundred seventy-three".