2031685873 has 48 divisors (see below), whose sum is σ = 2512698624. Its totient is φ = 1635863040.

The previous prime is 2031685813. The next prime is 2031685891. The reversal of 2031685873 is 3785861302.

It is not a de Polignac number, because 2031685873 - 2²⁵ = 1998131441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031685813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9628738 + ... + 9628948.

It is an arithmetic number, because the mean of its divisors is an integer number (52347888).

Almost surely, 2^2031685873 is an apocalyptic number.

It is an amenable number.

2031685873 is a deficient number, since it is larger than the sum of its proper divisors (481012751).

2031685873 is a wasteful number, since it uses less digits than its factorization.

2031685873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2031685873 is about 45074.2262606914. The cubic root of 2031685873 is about 1266.5398347230.

The spelling of 2031685873 in words is "two billion, thirty-one million, six hundred eighty-five thousand, eight hundred seventy-three".