131341025 has 12 divisors (see below), whose sum is σ = 163386492. Its totient is φ = 104735040.

The previous prime is 131341013. The next prime is 131341033. The reversal of 131341025 is 520143131.

It can be written as a sum of positive squares in 6 ways, for example, as 13162384 + 118178641 = 3628^2 + 10871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-131341025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131340988 and 131341006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (13615541).

Almost surely, 2^131341025 is an apocalyptic number.

It is an amenable number.

131341025 is a deficient number, since it is larger than the sum of its proper divisors (32045467).

131341025 is a wasteful number, since it uses less digits than its factorization.

131341025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900 (or 16895 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131341025 is about 11460.4112055371. The cubic root of 131341025 is about 508.3156337711.

Adding to 131341025 its reverse (520143131), we get a palindrome (651484156).

The spelling of 131341025 in words is "one hundred thirty-one million, three hundred forty-one thousand, twenty-five".