1311423324406 has 16 divisors (see below), whose sum is σ = 2118499516224. Its totient is φ = 605259031104.

The previous prime is 1311423324353. The next prime is 1311423324461. The reversal of 1311423324406 is 6044233241131.

It is a super-2 number, since 2×1311423324406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 709891 + ... + 1768273.

It is an arithmetic number, because the mean of its divisors is an integer number (132406219764).

Almost surely, 2^{1311423324406} is an apocalyptic number.

1311423324406 is a deficient number, since it is larger than the sum of its proper divisors (807076191818).

1311423324406 is a wasteful number, since it uses less digits than its factorization.

1311423324406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106055.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 1311423324406 its reverse (6044233241131), we get a palindrome (7355656565537).

The spelling of 1311423324406 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred six".