2004388231 has 4 divisors (see below), whose sum is σ = 2004534712. Its totient is φ = 2004241752.

The previous prime is 2004388193. The next prime is 2004388249. The reversal of 2004388231 is 1328834002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2004388231 - 2⁷ = 2004388103 is a prime.

It is a super-2 number, since 2×2004388231² = 8035144361142618722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004388193 and 2004388202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004388271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50325 + ... + 80878.

It is an arithmetic number, because the mean of its divisors is an integer number (501133678).

Almost surely, 2^2004388231 is an apocalyptic number.

2004388231 is a deficient number, since it is larger than the sum of its proper divisors (146481).

2004388231 is a wasteful number, since it uses less digits than its factorization.

2004388231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146480.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2004388231 is about 44770.3945816876. The cubic root of 2004388231 is about 1260.8418475455.

The spelling of 2004388231 in words is "two billion, four million, three hundred eighty-eight thousand, two hundred thirty-one".