131202202013023 has 4 divisors (see below), whose sum is σ = 138107581066360. Its totient is φ = 124296822959688.

The previous prime is 131202202012979. The next prime is 131202202013033. The reversal of 131202202013023 is 320310202202131.

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 131202202013023 - 2¹⁷ = 131202201881951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131202202012985 and 131202202013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131202202013033) 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, 3452689526640 + ... + 3452689526677.

It is an arithmetic number, because the mean of its divisors is an integer number (34526895266590).

Almost surely, 2^{131202202013023} is an apocalyptic number.

131202202013023 is a deficient number, since it is larger than the sum of its proper divisors (6905379053337).

131202202013023 is an equidigital number, since it uses as much as digits as its factorization.

131202202013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905379053336.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131202202013023 its reverse (320310202202131), we get a palindrome (451512404215154).

The spelling of 131202202013023 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred two million, thirteen thousand, twenty-three".