2004450131 has 2 divisors, whose sum is σ = 2004450132. Its totient is φ = 2004450130.

The previous prime is 2004450121. The next prime is 2004450157. The reversal of 2004450131 is 1310544002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004450131 is a prime.

It is a super-2 number, since 2×2004450131² = 8035640655331834322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2004450121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002225065 + 1002225066.

It is an arithmetic number, because the mean of its divisors is an integer number (1002225066).

Almost surely, 2^2004450131 is an apocalyptic number.

2004450131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004450131 is an equidigital number, since it uses as much as digits as its factorization.

2004450131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2004450131 is about 44771.0858814034. The cubic root of 2004450131 is about 1260.8548266191.

Adding to 2004450131 its reverse (1310544002), we get a palindrome (3314994133).

The spelling of 2004450131 in words is "two billion, four million, four hundred fifty thousand, one hundred thirty-one".