1004431343 has 2 divisors, whose sum is σ = 1004431344. Its totient is φ = 1004431342.

The previous prime is 1004431319. The next prime is 1004431361. The reversal of 1004431343 is 3431344001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1004431343 - 2²² = 1000237039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004431943) 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 as a sum of consecutive naturals, namely, 502215671 + 502215672.

It is an arithmetic number, because the mean of its divisors is an integer number (502215672).

Almost surely, 2^1004431343 is an apocalyptic number.

1004431343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004431343 is an equidigital number, since it uses as much as digits as its factorization.

1004431343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1004431343 is about 31692.7648367889. The cubic root of 1004431343 is about 1001.4749378222.

Adding to 1004431343 its reverse (3431344001), we get a palindrome (4435775344).

The spelling of 1004431343 in words is "one billion, four million, four hundred thirty-one thousand, three hundred forty-three".