131041323445 has 8 divisors (see below), whose sum is σ = 157254453720. Its totient is φ = 104829815040.

The previous prime is 131041323443. The next prime is 131041323473. The reversal of 131041323445 is 544323140131.

It can be written as a sum of positive squares in 4 ways, for example, as 14149816209 + 116891507236 = 118953^2 + 341894^2 .

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

It is not a de Polignac number, because 131041323445 - 2¹ = 131041323443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131041323443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220000 + ... + 557209.

It is an arithmetic number, because the mean of its divisors is an integer number (19656806715).

Almost surely, 2^131041323445 is an apocalyptic number.

It is an amenable number.

131041323445 is a deficient number, since it is larger than the sum of its proper divisors (26213130275).

131041323445 is an equidigital number, since it uses as much as digits as its factorization.

131041323445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810935.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 131041323445 its reverse (544323140131), we get a palindrome (675364463576).

The spelling of 131041323445 in words is "one hundred thirty-one billion, forty-one million, three hundred twenty-three thousand, four hundred forty-five".