131301265 has 4 divisors (see below), whose sum is σ = 157561524. Its totient is φ = 105041008.

The previous prime is 131301263. The next prime is 131301281. The reversal of 131301265 is 562103131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562103131 = 4943 ⋅113717.

It can be written as a sum of positive squares in 2 ways, for example, as 49434961 + 81866304 = 7031^2 + 9048^2 .

It is a cyclic number.

It is not a de Polignac number, because 131301265 - 2¹ = 131301263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131301263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13130122 + ... + 13130131.

It is an arithmetic number, because the mean of its divisors is an integer number (39390381).

Almost surely, 2^131301265 is an apocalyptic number.

It is an amenable number.

131301265 is a deficient number, since it is larger than the sum of its proper divisors (26260259).

131301265 is an equidigital number, since it uses as much as digits as its factorization.

131301265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26260258.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 131301265 is about 11458.6764069852. The cubic root of 131301265 is about 508.2643355842.

Adding to 131301265 its reverse (562103131), we get a palindrome (693404396).

The spelling of 131301265 in words is "one hundred thirty-one million, three hundred one thousand, two hundred sixty-five".