1004424431 has 2 divisors, whose sum is σ = 1004424432. Its totient is φ = 1004424430.

The previous prime is 1004424391. The next prime is 1004424439. The reversal of 1004424431 is 1344244001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1344244001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004424431 - 2¹⁸ = 1004162287 is a prime.

It is a super-2 number, since 2×1004424431² = 2017736875179347522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004424397 and 1004424406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004424439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502212215 + 502212216.

It is an arithmetic number, because the mean of its divisors is an integer number (502212216).

Almost surely, 2^1004424431 is an apocalyptic number.

1004424431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004424431 is an equidigital number, since it uses as much as digits as its factorization.

1004424431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1004424431 is about 31692.6557896305. The cubic root of 1004424431 is about 1001.4726405984.

Adding to 1004424431 its reverse (1344244001), we get a palindrome (2348668432).

The spelling of 1004424431 in words is "one billion, four million, four hundred twenty-four thousand, four hundred thirty-one".