1004313132321 has 4 divisors (see below), whose sum is σ = 1339084176432. Its totient is φ = 669542088212.

The previous prime is 1004313132307. The next prime is 1004313132331. The reversal of 1004313132321 is 1232313134001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1004313132321 - 2²³ = 1004304743713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004313132291 and 1004313132300.

It is not an unprimeable number, because it can be changed into a prime (1004313132331) 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, 167385522051 + ... + 167385522056.

It is an arithmetic number, because the mean of its divisors is an integer number (334771044108).

Almost surely, 2^{1004313132321} is an apocalyptic number.

It is an amenable number.

1004313132321 is a deficient number, since it is larger than the sum of its proper divisors (334771044111).

1004313132321 is an equidigital number, since it uses as much as digits as its factorization.

1004313132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334771044110.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1004313132321 its reverse (1232313134001), we get a palindrome (2236626266322).

The spelling of 1004313132321 in words is "one trillion, four billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred twenty-one".