131344424514145 has 4 divisors (see below), whose sum is σ = 157613309416980. Its totient is φ = 105075539611312.

The previous prime is 131344424514139. The next prime is 131344424514221. The reversal of 131344424514145 is 541415424443131.

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 104390011082449 + 26954413431696 = 10217143^2 + 5191764^2 .

It is a cyclic number.

It is not a de Polignac number, because 131344424514145 - 2⁵ = 131344424514113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131344424514095 and 131344424514104.

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, 13134442451410 + ... + 13134442451419.

It is an arithmetic number, because the mean of its divisors is an integer number (39403327354245).

Almost surely, 2^{131344424514145} is an apocalyptic number.

It is an amenable number.

131344424514145 is a deficient number, since it is larger than the sum of its proper divisors (26268884902835).

131344424514145 is an equidigital number, since it uses as much as digits as its factorization.

131344424514145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26268884902834.

The product of its digits is 1843200, while the sum is 46.

Adding to 131344424514145 its reverse (541415424443131), we get a palindrome (672759848957276).

The spelling of 131344424514145 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred twenty-four million, five hundred fourteen thousand, one hundred forty-five".