1004431011 has 8 divisors (see below), whose sum is σ = 1348111104. Its totient is φ = 665185800.

The previous prime is 1004431007. The next prime is 1004431027. The reversal of 1004431011 is 1101344001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004431011 - 2² = 1004431007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004431061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108191 + ... + 1109096.

It is an arithmetic number, because the mean of its divisors is an integer number (168513888).

Almost surely, 2^1004431011 is an apocalyptic number.

1004431011 is a deficient number, since it is larger than the sum of its proper divisors (343680093).

1004431011 is a wasteful number, since it uses less digits than its factorization.

1004431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217441.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1004431011 is about 31692.7595989999. The cubic root of 1004431011 is about 1001.4748274813.

Adding to 1004431011 its reverse (1101344001), we get a palindrome (2105775012).

The spelling of 1004431011 in words is "one billion, four million, four hundred thirty-one thousand, eleven".