2004023031 has 8 divisors (see below), whose sum is σ = 2689964400. Its totient is φ = 1327048512.

The previous prime is 2004023011. The next prime is 2004023033. The reversal of 2004023031 is 1303204002.

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

It is not a de Polignac number, because 2004023031 - 2²¹ = 2001925879 is a prime.

It is a super-2 number, since 2×2004023031² = 8032216617556853922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2004023031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004023033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241190 + ... + 2242083.

It is an arithmetic number, because the mean of its divisors is an integer number (336245550).

Almost surely, 2^2004023031 is an apocalyptic number.

2004023031 is a deficient number, since it is larger than the sum of its proper divisors (685941369).

2004023031 is a wasteful number, since it uses less digits than its factorization.

2004023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483425.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2004023031 is about 44766.3158077589. The cubic root of 2004023031 is about 1260.7652676688.

Adding to 2004023031 its reverse (1303204002), we get a palindrome (3307227033).

It can be divided in two parts, 20040 and 23031, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 2004023031 in words is "two billion, four million, twenty-three thousand, thirty-one".