30313918918 has 16 divisors (see below), whose sum is σ = 45599091840. Its totient is φ = 15114254400.

The previous prime is 30313918909. The next prime is 30313918993. The reversal of 30313918918 is 81981931303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282778 + ... + 2296018.

It is an arithmetic number, because the mean of its divisors is an integer number (2849943240).

Almost surely, 2^30313918918 is an apocalyptic number.

30313918918 is a deficient number, since it is larger than the sum of its proper divisors (15285172922).

30313918918 is a wasteful number, since it uses less digits than its factorization.

30313918918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16383.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 30313918918 in words is "thirty billion, three hundred thirteen million, nine hundred eighteen thousand, nine hundred eighteen".