30171897206 has 16 divisors (see below), whose sum is σ = 49749087168. Its totient is φ = 13609806600.

The previous prime is 30171897167. The next prime is 30171897263. The reversal of 30171897206 is 60279817103.

30171897206 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231660 + ... + 5237423.

It is an arithmetic number, because the mean of its divisors is an integer number (3109317948).

Almost surely, 2^30171897206 is an apocalyptic number.

30171897206 is a deficient number, since it is larger than the sum of its proper divisors (19577189962).

30171897206 is a wasteful number, since it uses less digits than its factorization.

30171897206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469227.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 30171897206 in words is "thirty billion, one hundred seventy-one million, eight hundred ninety-seven thousand, two hundred six".