131233714445 has 4 divisors (see below), whose sum is σ = 157480457340. Its totient is φ = 104986971552.

The previous prime is 131233714441. The next prime is 131233714483. The reversal of 131233714445 is 544417332131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544417332131 = 59 ⋅9227412409.

It can be written as a sum of positive squares in 2 ways, for example, as 35076045796 + 96157668649 = 187286^2 + 310093^2 .

It is a cyclic number.

It is not a de Polignac number, because 131233714445 - 2² = 131233714441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131233714399 and 131233714408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233714441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13123371440 + ... + 13123371449.

It is an arithmetic number, because the mean of its divisors is an integer number (39370114335).

Almost surely, 2^131233714445 is an apocalyptic number.

It is an amenable number.

131233714445 is a deficient number, since it is larger than the sum of its proper divisors (26246742895).

131233714445 is an equidigital number, since it uses as much as digits as its factorization.

131233714445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246742894.

The product of its digits is 120960, while the sum is 38.

The spelling of 131233714445 in words is "one hundred thirty-one billion, two hundred thirty-three million, seven hundred fourteen thousand, four hundred forty-five".