131025543325 has 6 divisors (see below), whose sum is σ = 162471673754. Its totient is φ = 104820434640.

The previous prime is 131025543293. The next prime is 131025543331. The reversal of 131025543325 is 523345520131.

It can be written as a sum of positive squares in 3 ways, for example, as 24419375289 + 106606168036 = 156267^2 + 326506^2 .

It is not a de Polignac number, because 131025543325 - 2⁵ = 131025543293 is a prime.

It is a super-2 number, since 2×131025543325² (a number of 23 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 2620510842 + ... + 2620510891.

Almost surely, 2^131025543325 is an apocalyptic number.

It is an amenable number.

131025543325 is a deficient number, since it is larger than the sum of its proper divisors (31446130429).

131025543325 is an equidigital number, since it uses as much as digits as its factorization.

131025543325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241021743 (or 5241021738 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 131025543325 in words is "one hundred thirty-one billion, twenty-five million, five hundred forty-three thousand, three hundred twenty-five".