131344345141025 has 24 divisors (see below), whose sum is σ = 164554382600664. Its totient is φ = 103986944409600.

The previous prime is 131344345141019. The next prime is 131344345141067. The reversal of 131344345141025 is 520141543443131.

It can be written as a sum of positive squares in 12 ways, for example, as 33712318425361 + 97632026715664 = 5806231^2 + 9880892^2 .

It is not a de Polignac number, because 131344345141025 - 2⁶ = 131344345140961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46749509 + ... + 49479341.

It is an arithmetic number, because the mean of its divisors is an integer number (6856432608361).

Almost surely, 2^{131344345141025} is an apocalyptic number.

It is an amenable number.

131344345141025 is a deficient number, since it is larger than the sum of its proper divisors (33210037459639).

131344345141025 is a wasteful number, since it uses less digits than its factorization.

131344345141025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749781 (or 2749776 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 131344345141025 its reverse (520141543443131), we get a palindrome (651485888584156).

The spelling of 131344345141025 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred forty-five million, one hundred forty-one thousand, twenty-five".