1313311120321 has 8 divisors (see below), whose sum is σ = 1390695709824. Its totient is φ = 1235941085760.

The previous prime is 1313311120313. The next prime is 1313311120327. The reversal of 1313311120321 is 1230211133131.

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 1313311120321 - 2³ = 1313311120313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313311120292 and 1313311120301.

It is not an unprimeable number, because it can be changed into a prime (1313311120327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3452685 + ... + 3814138.

It is an arithmetic number, because the mean of its divisors is an integer number (173836963728).

Almost surely, 2^{1313311120321} is an apocalyptic number.

It is an amenable number.

1313311120321 is a deficient number, since it is larger than the sum of its proper divisors (77384589503).

1313311120321 is a wasteful number, since it uses less digits than its factorization.

1313311120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277471.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1313311120321 its reverse (1230211133131), we get a palindrome (2543522253452).

The spelling of 1313311120321 in words is "one trillion, three hundred thirteen billion, three hundred eleven million, one hundred twenty thousand, three hundred twenty-one".