131131313162315 has 16 divisors (see below), whose sum is σ = 159256563643296. Its totient is φ = 103639108051200.

The previous prime is 131131313162243. The next prime is 131131313162351. The reversal of 131131313162315 is 513261313131131.

It is a de Polignac number, because none of the positive numbers 2^k-131131313162315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18343175 + ... + 24469055.

It is an arithmetic number, because the mean of its divisors is an integer number (9953535227706).

Almost surely, 2^{131131313162315} is an apocalyptic number.

131131313162315 is a deficient number, since it is larger than the sum of its proper divisors (28125250480981).

131131313162315 is an equidigital number, since it uses as much as digits as its factorization.

131131313162315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177550.

The product of its digits is 14580, while the sum is 35.

Adding to 131131313162315 its reverse (513261313131131), we get a palindrome (644392626293446).

The spelling of 131131313162315 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, three hundred thirteen million, one hundred sixty-two thousand, three hundred fifteen".