1004304431983 has 4 divisors (see below), whose sum is σ = 1004306597560. Its totient is φ = 1004302266408.

The previous prime is 1004304431969. The next prime is 1004304432017. The reversal of 1004304431983 is 3891344034001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004304431983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004304431953) 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, 73653 + ... + 1419166.

It is an arithmetic number, because the mean of its divisors is an integer number (251076649390).

Almost surely, 2^{1004304431983} is an apocalyptic number.

1004304431983 is a deficient number, since it is larger than the sum of its proper divisors (2165577).

1004304431983 is an equidigital number, since it uses as much as digits as its factorization.

1004304431983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165576.

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 1004304431983 its reverse (3891344034001), we get a palindrome (4895648465984).

The spelling of 1004304431983 in words is "one trillion, four billion, three hundred four million, four hundred thirty-one thousand, nine hundred eighty-three".