2031882921 has 16 divisors (see below), whose sum is σ = 3017795200. Its totient is φ = 1351169424.

The previous prime is 2031882907. The next prime is 2031882929. The reversal of 2031882921 is 1292881302.

It is not a de Polignac number, because 2031882921 - 2⁷ = 2031882793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2031882929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84061 + ... + 105498.

It is an arithmetic number, because the mean of its divisors is an integer number (188612200).

Almost surely, 2^2031882921 is an apocalyptic number.

It is an amenable number.

2031882921 is a deficient number, since it is larger than the sum of its proper divisors (985912279).

2031882921 is a wasteful number, since it uses less digits than its factorization.

2031882921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189965 (or 189959 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2031882921 is about 45076.4120244724. The cubic root of 2031882921 is about 1266.5807795489.

The spelling of 2031882921 in words is "two billion, thirty-one million, eight hundred eighty-two thousand, nine hundred twenty-one".