1312321023113 has 8 divisors (see below), whose sum is σ = 1349577894528. Its totient is φ = 1275526970224.

The previous prime is 1312321023109. The next prime is 1312321023149. The reversal of 1312321023113 is 3113201232131.

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

It is not a de Polignac number, because 1312321023113 - 2² = 1312321023109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312321023163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115698881 + ... + 115710222.

It is an arithmetic number, because the mean of its divisors is an integer number (168697236816).

Almost surely, 2^{1312321023113} is an apocalyptic number.

It is an amenable number.

1312321023113 is a deficient number, since it is larger than the sum of its proper divisors (37256871415).

1312321023113 is a wasteful number, since it uses less digits than its factorization.

1312321023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231409263.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1312321023113 its reverse (3113201232131), we get a palindrome (4425522255244).

The spelling of 1312321023113 in words is "one trillion, three hundred twelve billion, three hundred twenty-one million, twenty-three thousand, one hundred thirteen".