131423522013315 has 128 divisors (see below), whose sum is σ = 281079649843200. Its totient is φ = 56915880215040.

The previous prime is 131423522013307. The next prime is 131423522013361. The reversal of 131423522013315 is 513310225324131.

131423522013315 is a `hidden beast` number, since 1 + 3 + 1 + 423 + 5 + 220 + 1 + 3 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 131423522013315 - 2³ = 131423522013307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131423522013315.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1188942789 + ... + 1189053321.

It is an arithmetic number, because the mean of its divisors is an integer number (2195934764400).

Almost surely, 2^{131423522013315} is an apocalyptic number.

131423522013315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131423522013315 is an abundant number, since it is smaller than the sum of its proper divisors (149656127829885).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131423522013315 is a wasteful number, since it uses less digits than its factorization.

131423522013315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176794 (or 176788 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 131423522013315 its reverse (513310225324131), we get a palindrome (644733747337446).

The spelling of 131423522013315 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, five hundred twenty-two million, thirteen thousand, three hundred fifteen".