1313243215126 has 16 divisors (see below), whose sum is σ = 2076266723760. Its totient is φ = 621245134080.

The previous prime is 1313243215121. The next prime is 1313243215177. The reversal of 1313243215126 is 6215123423131.

It is a junction number, because it is equal to n+sod(n) for n = 1313243215091 and 1313243215100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313243215121) 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 7 ways as a sum of consecutive naturals, for example, 22677411 + ... + 22735246.

It is an arithmetic number, because the mean of its divisors is an integer number (129766670235).

Almost surely, 2^{1313243215126} is an apocalyptic number.

1313243215126 is a deficient number, since it is larger than the sum of its proper divisors (763023508634).

1313243215126 is a wasteful number, since it uses less digits than its factorization.

1313243215126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45413439.

The product of its digits is 25920, while the sum is 34.

Adding to 1313243215126 its reverse (6215123423131), we get a palindrome (7528366638257).

The spelling of 1313243215126 in words is "one trillion, three hundred thirteen billion, two hundred forty-three million, two hundred fifteen thousand, one hundred twenty-six".