1004321311 has 4 divisors (see below), whose sum is σ = 1147795792. Its totient is φ = 860846832.

The previous prime is 1004321251. The next prime is 1004321317. The reversal of 1004321311 is 1131234001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004321311 - 2¹¹ = 1004319263 is a prime.

It is a super-2 number, since 2×1004321311² = 2017322591457517442, 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 (1004321317) 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, 71737230 + ... + 71737243.

It is an arithmetic number, because the mean of its divisors is an integer number (286948948).

Almost surely, 2^1004321311 is an apocalyptic number.

1004321311 is a deficient number, since it is larger than the sum of its proper divisors (143474481).

1004321311 is an equidigital number, since it uses as much as digits as its factorization.

1004321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143474480.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1004321311 is about 31691.0288725374. The cubic root of 1004321311 is about 1001.4383671081.

Adding to 1004321311 its reverse (1131234001), we get a palindrome (2135555312).

The spelling of 1004321311 in words is "one billion, four million, three hundred twenty-one thousand, three hundred eleven".