1311244223606 has 16 divisors (see below), whose sum is σ = 2082783144960. Its totient is φ = 617396426280.

The previous prime is 1311244223599. The next prime is 1311244223657. The reversal of 1311244223606 is 6063224421131.

It is a super-2 number, since 2×1311244223606² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103306310 + ... + 103319001.

It is an arithmetic number, because the mean of its divisors is an integer number (130173946560).

Almost surely, 2^{1311244223606} is an apocalyptic number.

1311244223606 is a deficient number, since it is larger than the sum of its proper divisors (771538921354).

1311244223606 is a wasteful number, since it uses less digits than its factorization.

1311244223606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206625499.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 1311244223606 its reverse (6063224421131), we get a palindrome (7374468644737).

The spelling of 1311244223606 in words is "one trillion, three hundred eleven billion, two hundred forty-four million, two hundred twenty-three thousand, six hundred six".