131845315 has 24 divisors (see below), whose sum is σ = 189046368. Its totient is φ = 86465280.

The previous prime is 131845297. The next prime is 131845379. The reversal of 131845315 is 513548131.

It is not a de Polignac number, because 131845315 - 2⁵ = 131845283 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14955 + ... + 22075.

It is an arithmetic number, because the mean of its divisors is an integer number (7876932).

Almost surely, 2^131845315 is an apocalyptic number.

131845315 is a deficient number, since it is larger than the sum of its proper divisors (57201053).

131845315 is an equidigital number, since it uses as much as digits as its factorization.

131845315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179 (or 7156 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 131845315 is about 11482.3915191915. The cubic root of 131845315 is about 508.9653701208.

The spelling of 131845315 in words is "one hundred thirty-one million, eight hundred forty-five thousand, three hundred fifteen".