103181111912 has 16 divisors (see below), whose sum is σ = 194003488800. Its totient is φ = 51446848240.

The previous prime is 103181111909. The next prime is 103181111939. The reversal of 103181111912 is 219111181301.

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 3 ways as a sum of consecutive naturals, for example, 17960414 + ... + 17966157.

It is an arithmetic number, because the mean of its divisors is an integer number (12125218050).

Almost surely, 2^103181111912 is an apocalyptic number.

It is an amenable number.

103181111912 is a deficient number, since it is larger than the sum of its proper divisors (90822376888).

103181111912 is a wasteful number, since it uses less digits than its factorization.

103181111912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35926936 (or 35926932 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 29.

The spelling of 103181111912 in words is "one hundred three billion, one hundred eighty-one million, one hundred eleven thousand, nine hundred twelve".