30871314818 has 16 divisors (see below), whose sum is σ = 47451402936. Its totient is φ = 15054418560.

The previous prime is 30871314797. The next prime is 30871314833. The reversal of 30871314818 is 81841317803.

It can be written as a sum of positive squares in 4 ways, for example, as 20561552449 + 10309762369 = 143393^2 + 101537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208880 + ... + 324612.

Almost surely, 2^30871314818 is an apocalyptic number.

30871314818 is a deficient number, since it is larger than the sum of its proper divisors (16580088118).

30871314818 is a wasteful number, since it uses less digits than its factorization.

30871314818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119029.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 30871314818 in words is "thirty billion, eight hundred seventy-one million, three hundred fourteen thousand, eight hundred eighteen".