1311222332404 has 6 divisors (see below), whose sum is σ = 2294639081714. Its totient is φ = 655611166200.

The previous prime is 1311222332393. The next prime is 1311222332417. The reversal of 1311222332404 is 4042332221131.

It can be written as a sum of positive squares in only one way, i.e., 747011032804 + 564211299600 = 864298^2 + 751140^2 .

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 as a sum of consecutive naturals, namely, 163902791547 + ... + 163902791554.

Almost surely, 2^{1311222332404} is an apocalyptic number.

It is an amenable number.

1311222332404 is a deficient number, since it is larger than the sum of its proper divisors (983416749310).

1311222332404 is a wasteful number, since it uses less digits than its factorization.

1311222332404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327805583105 (or 327805583103 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1311222332404 its reverse (4042332221131), we get a palindrome (5353554553535).

The spelling of 1311222332404 in words is "one trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred four".