131321442023 has 8 divisors (see below), whose sum is σ = 135854696880. Its totient is φ = 126788515840.

The previous prime is 131321441981. The next prime is 131321442037. The reversal of 131321442023 is 320244123131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131321442023 - 2²⁰ = 131320393447 is a prime.

It is a super-3 number, since 3×131321442023³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 131321441983 and 131321442001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321442073) 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 7 ways as a sum of consecutive naturals, for example, 951143 + ... + 1080423.

It is an arithmetic number, because the mean of its divisors is an integer number (16981837110).

Almost surely, 2^131321442023 is an apocalyptic number.

131321442023 is a deficient number, since it is larger than the sum of its proper divisors (4533254857).

131321442023 is a wasteful number, since it uses less digits than its factorization.

131321442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164337.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131321442023 its reverse (320244123131), we get a palindrome (451565565154).

The spelling of 131321442023 in words is "one hundred thirty-one billion, three hundred twenty-one million, four hundred forty-two thousand, twenty-three".