1313020313023 has 4 divisors (see below), whose sum is σ = 1314718917048. Its totient is φ = 1311321709000.

The previous prime is 1313020313021. The next prime is 1313020313027. The reversal of 1313020313023 is 3203130203131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313020313023 - 2¹ = 1313020313021 is a prime.

It is a super-2 number, since 2×1313020313023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313020312985 and 1313020313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313020313021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849300853 + ... + 849302398.

It is an arithmetic number, because the mean of its divisors is an integer number (328679729262).

Almost surely, 2^{1313020313023} is an apocalyptic number.

1313020313023 is a deficient number, since it is larger than the sum of its proper divisors (1698604025).

1313020313023 is an equidigital number, since it uses as much as digits as its factorization.

1313020313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698604024.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1313020313023 its reverse (3203130203131), we get a palindrome (4516150516154).

The spelling of 1313020313023 in words is "one trillion, three hundred thirteen billion, twenty million, three hundred thirteen thousand, twenty-three".