30185031308 has 24 divisors (see below), whose sum is σ = 53491171440. Its totient is φ = 14902050240.

The previous prime is 30185031307. The next prime is 30185031367. The reversal of 30185031308 is 80313058103.

It is a super-2 number, since 2×30185031308² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30185031307) 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, 568538 + ... + 619358.

It is an arithmetic number, because the mean of its divisors is an integer number (2228798810).

Almost surely, 2^30185031308 is an apocalyptic number.

It is an amenable number.

30185031308 is a deficient number, since it is larger than the sum of its proper divisors (23306140132).

30185031308 is a wasteful number, since it uses less digits than its factorization.

30185031308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52697 (or 52695 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 30185031308 in words is "thirty billion, one hundred eighty-five million, thirty-one thousand, three hundred eight".