131032225 has 6 divisors (see below), whose sum is σ = 162479990. Its totient is φ = 104825760.

The previous prime is 131032211. The next prime is 131032259. The reversal of 131032225 is 522230131.

It can be written as a sum of positive squares in 3 ways, for example, as 17673616 + 113358609 = 4204^2 + 10647^2 .

It is not a de Polignac number, because 131032225 - 2²³ = 122643617 is a prime.

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, 2620620 + ... + 2620669.

Almost surely, 2^131032225 is an apocalyptic number.

It is an amenable number.

131032225 is a deficient number, since it is larger than the sum of its proper divisors (31447765).

131032225 is an equidigital number, since it uses as much as digits as its factorization.

131032225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241299 (or 5241294 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131032225 is about 11446.9308113573. The cubic root of 131032225 is about 507.9169488819.

Adding to 131032225 its reverse (522230131), we get a palindrome (653262356).

The spelling of 131032225 in words is "one hundred thirty-one million, thirty-two thousand, two hundred twenty-five".