30985309174 has 32 divisors (see below), whose sum is σ = 49673393280. Its totient is φ = 14453629632.

The previous prime is 30985309171. The next prime is 30985309213. The reversal of 30985309174 is 47190358903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30985309171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971509 + ... + 1002895.

It is an arithmetic number, because the mean of its divisors is an integer number (1552293540).

Almost surely, 2^30985309174 is an apocalyptic number.

30985309174 is a deficient number, since it is larger than the sum of its proper divisors (18688084106).

30985309174 is a wasteful number, since it uses less digits than its factorization.

30985309174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31804.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 30985309174 in words is "thirty billion, nine hundred eighty-five million, three hundred nine thousand, one hundred seventy-four".