1313122232321 has 8 divisors (see below), whose sum is σ = 1342100841984. Its totient is φ = 1284456905200.

The previous prime is 1313122232291. The next prime is 1313122232339. The reversal of 1313122232321 is 1232322213131.

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

It is not a de Polignac number, because 1313122232321 - 2¹⁸ = 1313121970177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313122232371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78312161 + ... + 78328926.

It is an arithmetic number, because the mean of its divisors is an integer number (167762605248).

Almost surely, 2^{1313122232321} is an apocalyptic number.

It is an amenable number.

1313122232321 is a deficient number, since it is larger than the sum of its proper divisors (28978609663).

1313122232321 is a wasteful number, since it uses less digits than its factorization.

1313122232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156641271.

The product of its digits is 2592, while the sum is 26.

Adding to 1313122232321 its reverse (1232322213131), we get a palindrome (2545444445452).

The spelling of 1313122232321 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred twenty-one".