131311255 has 8 divisors (see below), whose sum is σ = 164424672. Its totient is φ = 100481568.

The previous prime is 131311249. The next prime is 131311259. The reversal of 131311255 is 552113131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131311255 - 2⁷ = 131311127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570804 + ... + 571033.

It is an arithmetic number, because the mean of its divisors is an integer number (20553084).

Almost surely, 2^131311255 is an apocalyptic number.

131311255 is a deficient number, since it is larger than the sum of its proper divisors (33113417).

131311255 is a wasteful number, since it uses less digits than its factorization.

131311255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141865.

The product of its digits is 450, while the sum is 22.

The square root of 131311255 is about 11459.1123129150. The cubic root of 131311255 is about 508.2772256148.

Adding to 131311255 its reverse (552113131), we get a palindrome (683424386).

The spelling of 131311255 in words is "one hundred thirty-one million, three hundred eleven thousand, two hundred fifty-five".