131344540115315 has 32 divisors (see below), whose sum is σ = 166655673504000. Its totient is φ = 99097383547008.

The previous prime is 131344540115297. The next prime is 131344540115317. The reversal of 131344540115315 is 513511045443131.

It is not a de Polignac number, because 131344540115315 - 2⁶ = 131344540115251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131344540115317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163784996 + ... + 164584974.

It is an arithmetic number, because the mean of its divisors is an integer number (5207989797000).

Almost surely, 2^{131344540115315} is an apocalyptic number.

131344540115315 is a deficient number, since it is larger than the sum of its proper divisors (35311133388685).

131344540115315 is a wasteful number, since it uses less digits than its factorization.

131344540115315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807779.

The product of its (nonzero) digits is 216000, while the sum is 41.

Adding to 131344540115315 its reverse (513511045443131), we get a palindrome (644855585558446).

The spelling of 131344540115315 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred forty million, one hundred fifteen thousand, three hundred fifteen".