1311240526312 has 16 divisors (see below), whose sum is σ = 2458982655360. Its totient is φ = 655511818224.

The previous prime is 1311240526273. The next prime is 1311240526331. The reversal of 1311240526312 is 2136250421131.

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 in 3 ways as a sum of consecutive naturals, for example, 13504218 + ... + 13600969.

It is an arithmetic number, because the mean of its divisors is an integer number (153686415960).

Almost surely, 2^{1311240526312} is an apocalyptic number.

It is an amenable number.

1311240526312 is a deficient number, since it is larger than the sum of its proper divisors (1147742129048).

1311240526312 is a wasteful number, since it uses less digits than its factorization.

1311240526312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27111240 (or 27111236 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1311240526312 its reverse (2136250421131), we get a palindrome (3447490947443).

The spelling of 1311240526312 in words is "one trillion, three hundred eleven billion, two hundred forty million, five hundred twenty-six thousand, three hundred twelve".