30695218317188 has 24 divisors (see below), whose sum is σ = 54389189745408. Its totient is φ = 15155622399456.

The previous prime is 30695218317133. The next prime is 30695218317199. The reversal of 30695218317188 is 88171381259603.

It is a self number, because there is not a number n which added to its sum of digits gives 30695218317188.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20860031 + ... + 22282982.

It is an arithmetic number, because the mean of its divisors is an integer number (2266216239392).

Almost surely, 2^{30695218317188} is an apocalyptic number.

It is an amenable number.

30695218317188 is a deficient number, since it is larger than the sum of its proper divisors (23693971428220).

30695218317188 is a wasteful number, since it uses less digits than its factorization.

30695218317188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43145243 (or 43145241 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 30695218317188 in words is "thirty trillion, six hundred ninety-five billion, two hundred eighteen million, three hundred seventeen thousand, one hundred eighty-eight".