131004213435515 has 12 divisors (see below), whose sum is σ = 182871187734816. Its totient is φ = 89831460641328.

The previous prime is 131004213435493. The next prime is 131004213435521. The reversal of 131004213435515 is 515534312400131.

It is not a de Polignac number, because 131004213435515 - 2¹² = 131004213431419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267355537379 + ... + 267355537868.

It is an arithmetic number, because the mean of its divisors is an integer number (15239265644568).

Almost surely, 2^{131004213435515} is an apocalyptic number.

131004213435515 is a deficient number, since it is larger than the sum of its proper divisors (51866974299301).

131004213435515 is an equidigital number, since it uses as much as digits as its factorization.

131004213435515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534711075266 (or 534711075259 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 131004213435515 its reverse (515534312400131), we get a palindrome (646538525835646).

The spelling of 131004213435515 in words is "one hundred thirty-one trillion, four billion, two hundred thirteen million, four hundred thirty-five thousand, five hundred fifteen".