1311320335306 has 16 divisors (see below), whose sum is σ = 2060678708928. Its totient is φ = 624654580000.

The previous prime is 1311320335289. The next prime is 1311320335319. The reversal of 1311320335306 is 6035330231131.

It is a super-2 number, since 2×1311320335306² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 56775235 + ... + 56798326.

It is an arithmetic number, because the mean of its divisors is an integer number (128792419308).

Almost surely, 2^{1311320335306} is an apocalyptic number.

1311320335306 is a deficient number, since it is larger than the sum of its proper divisors (749358373622).

1311320335306 is a wasteful number, since it uses less digits than its factorization.

1311320335306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113573837.

The product of its (nonzero) digits is 14580, while the sum is 31.

Adding to 1311320335306 its reverse (6035330231131), we get a palindrome (7346650566437).

The spelling of 1311320335306 in words is "one trillion, three hundred eleven billion, three hundred twenty million, three hundred thirty-five thousand, three hundred six".