1311321363122 has 16 divisors (see below), whose sum is σ = 2013735973920. Its totient is φ = 640091344032.

The previous prime is 1311321363113. The next prime is 1311321363161. The reversal of 1311321363122 is 2213631231131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653972 + ... + 3996767.

It is an arithmetic number, because the mean of its divisors is an integer number (125858498370).

Almost surely, 2^{1311321363122} is an apocalyptic number.

1311321363122 is a deficient number, since it is larger than the sum of its proper divisors (702414610798).

1311321363122 is a wasteful number, since it uses less digits than its factorization.

1311321363122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652777.

The product of its digits is 3888, while the sum is 29.

Adding to 1311321363122 its reverse (2213631231131), we get a palindrome (3524952594253).

The spelling of 1311321363122 in words is "one trillion, three hundred eleven billion, three hundred twenty-one million, three hundred sixty-three thousand, one hundred twenty-two".