131312233536015 has 32 divisors (see below), whose sum is σ = 245014080076800. Its totient is φ = 60028449614112.

The previous prime is 131312233535999. The next prime is 131312233536031. The reversal of 131312233536015 is 510635332213131.

It is an interprime number because it is at equal distance from previous prime (131312233535999) and next prime (131312233536031).

It is not a de Polignac number, because 131312233536015 - 2⁴ = 131312233535999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12761144859 + ... + 12761155148.

It is an arithmetic number, because the mean of its divisors is an integer number (7656690002400).

Almost surely, 2^{131312233536015} is an apocalyptic number.

131312233536015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131312233536015 is a deficient number, since it is larger than the sum of its proper divisors (113701846540785).

131312233536015 is an equidigital number, since it uses as much as digits as its factorization.

131312233536015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522300036 (or 25522300022 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 39.

Adding to 131312233536015 its reverse (510635332213131), we get a palindrome (641947565749146).

The spelling of 131312233536015 in words is "one hundred thirty-one trillion, three hundred twelve billion, two hundred thirty-three million, five hundred thirty-six thousand, fifteen".