1311244242248 has 16 divisors (see below), whose sum is σ = 2458599534000. Its totient is φ = 655617699856.

The previous prime is 1311244242247. The next prime is 1311244242289. The reversal of 1311244242248 is 8422424421131.

It is a super-2 number, since 2×1311244242248² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311244242241) 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, 947243 + ... + 1876101.

It is an arithmetic number, because the mean of its divisors is an integer number (153662470875).

Almost surely, 2^{1311244242248} is an apocalyptic number.

It is an amenable number.

1311244242248 is a deficient number, since it is larger than the sum of its proper divisors (1147355291752).

1311244242248 is a wasteful number, since it uses less digits than its factorization.

1311244242248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105324 (or 1105320 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

Adding to 1311244242248 its reverse (8422424421131), we get a palindrome (9733668663379).

The spelling of 1311244242248 in words is "one trillion, three hundred eleven billion, two hundred forty-four million, two hundred forty-two thousand, two hundred forty-eight".