131332412544005 has 4 divisors (see below), whose sum is σ = 157598895052812. Its totient is φ = 105065930035200.

The previous prime is 131332412543989. The next prime is 131332412544019. The reversal of 131332412544005 is 500445214233131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39651289643329 + 91681122900676 = 6296927^2 + 9575026^2 .

It is not a de Polignac number, because 131332412544005 - 2⁴ = 131332412543989 is a prime.

It is a super-2 number, since 2×131332412544005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131332412544005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13133241254396 + ... + 13133241254405.

It is an arithmetic number, because the mean of its divisors is an integer number (39399723763203).

Almost surely, 2^{131332412544005} is an apocalyptic number.

It is an amenable number.

131332412544005 is a deficient number, since it is larger than the sum of its proper divisors (26266482508807).

131332412544005 is an equidigital number, since it uses as much as digits as its factorization.

131332412544005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26266482508806.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 131332412544005 its reverse (500445214233131), we get a palindrome (631777626777136).

The spelling of 131332412544005 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, four hundred twelve million, five hundred forty-four thousand, five".