1311353444241 has 8 divisors (see below), whose sum is σ = 1942745843360. Its totient is φ = 874235629476.

The previous prime is 1311353444237. The next prime is 1311353444257. The reversal of 1311353444241 is 1424443531131.

1311353444241 is a `hidden beast` number, since 1 + 3 + 113 + 534 + 4 + 4 + 2 + 4 + 1 = 666.

It is not a de Polignac number, because 1311353444241 - 2² = 1311353444237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311353444196 and 1311353444205.

It is not an unprimeable number, because it can be changed into a prime (1311353444201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24284323015 + ... + 24284323068.

It is an arithmetic number, because the mean of its divisors is an integer number (242843230420).

Almost surely, 2^{1311353444241} is an apocalyptic number.

It is an amenable number.

1311353444241 is a deficient number, since it is larger than the sum of its proper divisors (631392399119).

1311353444241 is an equidigital number, since it uses as much as digits as its factorization.

1311353444241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48568646092 (or 48568646086 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 1311353444241 its reverse (1424443531131), we get a palindrome (2735796975372).

The spelling of 1311353444241 in words is "one trillion, three hundred eleven billion, three hundred fifty-three million, four hundred forty-four thousand, two hundred forty-one".