1310500345023 has 6 divisors (see below), whose sum is σ = 1892944942824. Its totient is φ = 873666896676.

The previous prime is 1310500344997. The next prime is 1310500345031. The reversal of 1310500345023 is 3205430050131.

1310500345023 is a `hidden beast` number, since 1 + 310 + 5 + 0 + 0 + 345 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 1310500345023 - 2⁹ = 1310500344511 is a prime.

It is a super-2 number, since 2×1310500345023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310500345043) 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 5 ways as a sum of consecutive naturals, for example, 72805574715 + ... + 72805574732.

It is an arithmetic number, because the mean of its divisors is an integer number (315490823804).

Almost surely, 2^{1310500345023} is an apocalyptic number.

1310500345023 is a deficient number, since it is larger than the sum of its proper divisors (582444597801).

1310500345023 is a wasteful number, since it uses less digits than its factorization.

1310500345023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145611149453 (or 145611149450 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 1310500345023 its reverse (3205430050131), we get a palindrome (4515930395154).

The spelling of 1310500345023 in words is "one trillion, three hundred ten billion, five hundred million, three hundred forty-five thousand, twenty-three".