1311241350136 has 16 divisors (see below), whose sum is σ = 2459577396600. Its totient is φ = 655354044384.

The previous prime is 1311241350131. The next prime is 1311241350137. The reversal of 1311241350136 is 6310531421131.

It is a junction number, because it is equal to n+sod(n) for n = 1311241350098 and 1311241350107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311241350131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33307935 + ... + 33347278.

Almost surely, 2^{1311241350136} is an apocalyptic number.

It is an amenable number.

1311241350136 is a deficient number, since it is larger than the sum of its proper divisors (1148336046464).

1311241350136 is a wasteful number, since it uses less digits than its factorization.

1311241350136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66657678 (or 66657674 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 1311241350136 its reverse (6310531421131), we get a palindrome (7621772771267).

The spelling of 1311241350136 in words is "one trillion, three hundred eleven billion, two hundred forty-one million, three hundred fifty thousand, one hundred thirty-six".