2004142431 has 4 divisors (see below), whose sum is σ = 2672189912. Its totient is φ = 1336094952.

The previous prime is 2004142429. The next prime is 2004142433. The reversal of 2004142431 is 1342414002.

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

It is an interprime number because it is at equal distance from previous prime (2004142429) and next prime (2004142433).

It is not a de Polignac number, because 2004142431 - 2¹ = 2004142429 is a prime.

It is a super-2 number, since 2×2004142431² = 8033173767469179522, 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 = 2004142398 and 2004142407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004142433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334023736 + ... + 334023741.

It is an arithmetic number, because the mean of its divisors is an integer number (668047478).

Almost surely, 2^2004142431 is an apocalyptic number.

2004142431 is a deficient number, since it is larger than the sum of its proper divisors (668047481).

2004142431 is an equidigital number, since it uses as much as digits as its factorization.

2004142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668047480.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2004142431 is about 44767.6493798815. The cubic root of 2004142431 is about 1260.7903060343.

Adding to 2004142431 its reverse (1342414002), we get a palindrome (3346556433).

The spelling of 2004142431 in words is "two billion, four million, one hundred forty-two thousand, four hundred thirty-one".