1313120113023 has 64 divisors (see below), whose sum is σ = 1825988935680. Its totient is φ = 838864075392.

The previous prime is 1313120112977. The next prime is 1313120113051. The reversal of 1313120113023 is 3203110213131.

It is a happy number.

It is not a de Polignac number, because 1313120113023 - 2¹⁰ = 1313120111999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313120613023) 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 63 ways as a sum of consecutive naturals, for example, 561401188 + ... + 561403526.

It is an arithmetic number, because the mean of its divisors is an integer number (28531077120).

Almost surely, 2^{1313120113023} is an apocalyptic number.

1313120113023 is a deficient number, since it is larger than the sum of its proper divisors (512868822657).

1313120113023 is a wasteful number, since it uses less digits than its factorization.

1313120113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313120113023 its reverse (3203110213131), we get a palindrome (4516230326154).

The spelling of 1313120113023 in words is "one trillion, three hundred thirteen billion, one hundred twenty million, one hundred thirteen thousand, twenty-three".