1311333123404 has 6 divisors (see below), whose sum is σ = 2294832965964. Its totient is φ = 655666561700.

The previous prime is 1311333123349. The next prime is 1311333123433. The reversal of 1311333123404 is 4043213331131.

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 as a sum of consecutive naturals, namely, 163916640422 + ... + 163916640429.

It is an arithmetic number, because the mean of its divisors is an integer number (382472160994).

Almost surely, 2^{1311333123404} is an apocalyptic number.

It is an amenable number.

1311333123404 is a deficient number, since it is larger than the sum of its proper divisors (983499842560).

1311333123404 is a wasteful number, since it uses less digits than its factorization.

1311333123404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327833280855 (or 327833280853 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 1311333123404 its reverse (4043213331131), we get a palindrome (5354546454535).

The spelling of 1311333123404 in words is "one trillion, three hundred eleven billion, three hundred thirty-three million, one hundred twenty-three thousand, four hundred four".