1321134441313 has 8 divisors (see below), whose sum is σ = 1326085783616. Its totient is φ = 1316188882800.

The previous prime is 1321134441311. The next prime is 1321134441337. The reversal of 1321134441313 is 3131444311231.

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 1321134441313 - 2¹ = 1321134441311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321134441311) 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, 987981 + ... + 1902202.

It is an arithmetic number, because the mean of its divisors is an integer number (165760722952).

Almost surely, 2^{1321134441313} is an apocalyptic number.

It is an amenable number.

1321134441313 is a deficient number, since it is larger than the sum of its proper divisors (4951342303).

1321134441313 is a wasteful number, since it uses less digits than its factorization.

1321134441313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891895.

The product of its digits is 10368, while the sum is 31.

Adding to 1321134441313 its reverse (3131444311231), we get a palindrome (4452578752544).

The spelling of 1321134441313 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-four million, four hundred forty-one thousand, three hundred thirteen".