30975067208 has 16 divisors (see below), whose sum is σ = 58399128060. Its totient is φ = 15401966400.

The previous prime is 30975067177. The next prime is 30975067213. The reversal of 30975067208 is 80276057903.

It can be written as a sum of positive squares in 2 ways, for example, as 27153107524 + 3821959684 = 164782^2 + 61822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10694363 + ... + 10697258.

Almost surely, 2^30975067208 is an apocalyptic number.

It is an amenable number.

30975067208 is a deficient number, since it is larger than the sum of its proper divisors (27424060852).

30975067208 is a wasteful number, since it uses less digits than its factorization.

30975067208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391808 (or 21391804 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 30975067208 in words is "thirty billion, nine hundred seventy-five million, sixty-seven thousand, two hundred eight".