2131109984 has 24 divisors (see below), whose sum is σ = 4242770280. Its totient is φ = 1053581056.

The previous prime is 2131109983. The next prime is 2131110001. The reversal of 2131109984 is 4899011312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131109983) by changing a digit.

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, 371294 + ... + 376989.

It is an arithmetic number, because the mean of its divisors is an integer number (176782095).

Almost surely, 2^2131109984 is an apocalyptic number.

It is an amenable number.

2131109984 is a deficient number, since it is larger than the sum of its proper divisors (2111660296).

2131109984 is an equidigital number, since it uses as much as digits as its factorization.

2131109984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748382 (or 748374 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 2131109984 is about 46163.9467983404. The cubic root of 2131109984 is about 1286.8718114858.

The spelling of 2131109984 in words is "two billion, one hundred thirty-one million, one hundred nine thousand, nine hundred eighty-four".