1004322431 has 16 divisors (see below), whose sum is σ = 1157952000. Its totient is φ = 853257888.

The previous prime is 1004322427. The next prime is 1004322443. The reversal of 1004322431 is 1342234001.

It is not a de Polignac number, because 1004322431 - 2² = 1004322427 is a prime.

It is a super-2 number, since 2×1004322431² = 2017327090819499522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004322421) 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 in 15 ways as a sum of consecutive naturals, for example, 770126 + ... + 771428.

It is an arithmetic number, because the mean of its divisors is an integer number (72372000).

Almost surely, 2^1004322431 is an apocalyptic number.

1004322431 is a deficient number, since it is larger than the sum of its proper divisors (153629569).

1004322431 is a wasteful number, since it uses less digits than its factorization.

1004322431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1004322431 is about 31691.0465431484. The cubic root of 1004322431 is about 1001.4387393696.

Adding to 1004322431 its reverse (1342234001), we get a palindrome (2346556432).

The spelling of 1004322431 in words is "one billion, four million, three hundred twenty-two thousand, four hundred thirty-one".