1313500123113 has 32 divisors (see below), whose sum is σ = 1890321100800. Its totient is φ = 808594145856.

The previous prime is 1313500123051. The next prime is 1313500123147. The reversal of 1313500123113 is 3113210053131.

It is a happy number.

It is not a de Polignac number, because 1313500123113 - 2¹⁶ = 1313500057577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313500123163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614631 + ... + 1733427.

It is an arithmetic number, because the mean of its divisors is an integer number (59072534400).

Almost surely, 2^{1313500123113} is an apocalyptic number.

It is an amenable number.

1313500123113 is a deficient number, since it is larger than the sum of its proper divisors (576820977687).

1313500123113 is a wasteful number, since it uses less digits than its factorization.

1313500123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119341.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 1313500123113 its reverse (3113210053131), we get a palindrome (4426710176244).

The spelling of 1313500123113 in words is "one trillion, three hundred thirteen billion, five hundred million, one hundred twenty-three thousand, one hundred thirteen".