131344502433125 has 20 divisors (see below), whose sum is σ = 164712176191068. Its totient is φ = 104701667280000.

The previous prime is 131344502433113. The next prime is 131344502433139. The reversal of 131344502433125 is 521334205443131.

It can be written as a sum of positive squares in 10 ways, for example, as 42632555068321 + 88711947364804 = 6529361^2 + 9418702^2 .

It is not a de Polignac number, because 131344502433125 - 2³⁶ = 131275782956389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373758902 + ... + 374110151.

Almost surely, 2^{131344502433125} is an apocalyptic number.

It is an amenable number.

131344502433125 is a deficient number, since it is larger than the sum of its proper divisors (33367673757943).

131344502433125 is an frugal number, since it uses more digits than its factorization.

131344502433125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747869354 (or 747869339 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 131344502433125 its reverse (521334205443131), we get a palindrome (652678707876256).

The spelling of 131344502433125 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred two million, four hundred thirty-three thousand, one hundred twenty-five".