131513255 has 8 divisors (see below), whose sum is σ = 160403424. Its totient is φ = 103485600.

The previous prime is 131513237. The next prime is 131513257. The reversal of 131513255 is 552315131.

It is a happy number.

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

It is not a de Polignac number, because 131513255 - 2²⁰ = 130464679 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 (131513257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215291 + ... + 215900.

It is an arithmetic number, because the mean of its divisors is an integer number (20050428).

Almost surely, 2^131513255 is an apocalyptic number.

131513255 is a deficient number, since it is larger than the sum of its proper divisors (28890169).

131513255 is an equidigital number, since it uses as much as digits as its factorization.

131513255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431257.

The product of its digits is 2250, while the sum is 26.

The square root of 131513255 is about 11467.9228720811. The cubic root of 131513255 is about 508.5377247287.

Adding to 131513255 its reverse (552315131), we get a palindrome (683828386).

The spelling of 131513255 in words is "one hundred thirty-one million, five hundred thirteen thousand, two hundred fifty-five".