1310332321021 has 8 divisors (see below), whose sum is σ = 1312137985664. Its totient is φ = 1308527015040.

The previous prime is 1310332321003. The next prime is 1310332321033. The reversal of 1310332321021 is 1201232330131.

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

It is a cyclic number.

It is not a de Polignac number, because 1310332321021 - 2⁷ = 1310332320893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310332320983 and 1310332321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310332321421) 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 7 ways as a sum of consecutive naturals, for example, 7684141 + ... + 7852813.

It is an arithmetic number, because the mean of its divisors is an integer number (164017248208).

Almost surely, 2^{1310332321021} is an apocalyptic number.

It is an amenable number.

1310332321021 is a deficient number, since it is larger than the sum of its proper divisors (1805664643).

1310332321021 is an equidigital number, since it uses as much as digits as its factorization.

1310332321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179331.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1310332321021 its reverse (1201232330131), we get a palindrome (2511564651152).

The spelling of 1310332321021 in words is "one trillion, three hundred ten billion, three hundred thirty-two million, three hundred twenty-one thousand, twenty-one".