3181380116 has 24 divisors (see below), whose sum is σ = 5635344960. Its totient is φ = 1571316032.

The previous prime is 3181380109. The next prime is 3181380131. The reversal of 3181380116 is 6110831813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431735 + ... + 439041.

It is an arithmetic number, because the mean of its divisors is an integer number (234806040).

Almost surely, 2^3181380116 is an apocalyptic number.

It is an amenable number.

3181380116 is a deficient number, since it is larger than the sum of its proper divisors (2453964844).

3181380116 is a wasteful number, since it uses less digits than its factorization.

3181380116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623 (or 8621 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 3181380116 is about 56403.7243096588. The cubic root of 3181380116 is about 1470.7488611971.

The spelling of 3181380116 in words is "three billion, one hundred eighty-one million, three hundred eighty thousand, one hundred sixteen".