2005831371 has 8 divisors (see below), whose sum is σ = 2766664080. Its totient is φ = 1291109792.

The previous prime is 2005831367. The next prime is 2005831379. The reversal of 2005831371 is 1731385002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005831371 - 2² = 2005831367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005831379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11527680 + ... + 11527853.

It is an arithmetic number, because the mean of its divisors is an integer number (345833010).

Almost surely, 2^2005831371 is an apocalyptic number.

2005831371 is a deficient number, since it is larger than the sum of its proper divisors (760832709).

2005831371 is a wasteful number, since it uses less digits than its factorization.

2005831371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23055565.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2005831371 is about 44786.5088056660. The cubic root of 2005831371 is about 1261.1443729012.

The spelling of 2005831371 in words is "two billion, five million, eight hundred thirty-one thousand, three hundred seventy-one".