3108100181938 has 16 divisors (see below), whose sum is σ = 4908692262240. Its totient is φ = 1471908283200.

The previous prime is 3108100181909. The next prime is 3108100181981. The reversal of 3108100181938 is 8391810018013.

It is a junction number, because it is equal to n+sod(n) for n = 3108100181894 and 3108100181903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9551703 + ... + 9871738.

It is an arithmetic number, because the mean of its divisors is an integer number (306793266390).

Almost surely, 2^{3108100181938} is an apocalyptic number.

3108100181938 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3108100181938 is a deficient number, since it is larger than the sum of its proper divisors (1800592080302).

3108100181938 is a wasteful number, since it uses less digits than its factorization.

3108100181938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427673.

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 3108100181938 in words is "three trillion, one hundred eight billion, one hundred million, one hundred eighty-one thousand, nine hundred thirty-eight".