3191940108 has 72 divisors (see below), whose sum is σ = 9562705152. Its totient is φ = 911980944.

The previous prime is 3191940083. The next prime is 3191940109. The reversal of 3191940108 is 8010491913.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3191940109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227760 + ... + 241367.

Almost surely, 2^3191940108 is an apocalyptic number.

It is an amenable number.

3191940108 is an abundant number, since it is smaller than the sum of its proper divisors (6370765044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3191940108 is a wasteful number, since it uses less digits than its factorization.

3191940108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469153 (or 469139 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 3191940108 is about 56497.2575263614. The cubic root of 3191940108 is about 1472.3743552781.

It can be divided in two parts, 31919 and 40108, that added together give a palindrome (72027).

The spelling of 3191940108 in words is "three billion, one hundred ninety-one million, nine hundred forty thousand, one hundred eight".