1311232533236 has 24 divisors (see below), whose sum is σ = 2297205835680. Its totient is φ = 654888179232.

The previous prime is 1311232533217. The next prime is 1311232533241. The reversal of 1311232533236 is 6323352321131.

It is a junction number, because it is equal to n+sod(n) for n = 1311232533196 and 1311232533205.

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, 41832626 + ... + 41863958.

It is an arithmetic number, because the mean of its divisors is an integer number (95716909820).

Almost surely, 2^{1311232533236} is an apocalyptic number.

It is an amenable number.

1311232533236 is a deficient number, since it is larger than the sum of its proper divisors (985973302444).

1311232533236 is a wasteful number, since it uses less digits than its factorization.

1311232533236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42623 (or 42621 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

Adding to 1311232533236 its reverse (6323352321131), we get a palindrome (7634584854367).

The spelling of 1311232533236 in words is "one trillion, three hundred eleven billion, two hundred thirty-two million, five hundred thirty-three thousand, two hundred thirty-six".