131342320125 has 48 divisors (see below), whose sum is σ = 245535605952. Its totient is φ = 70049221200.

The previous prime is 131342320117. The next prime is 131342320139. The reversal of 131342320125 is 521023243131.

131342320125 is a `hidden beast` number, since 1 + 3 + 13 + 423 + 201 + 25 = 666.

It is not a de Polignac number, because 131342320125 - 2³ = 131342320117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2131639 + ... + 2192388.

It is an arithmetic number, because the mean of its divisors is an integer number (5115325124).

Almost surely, 2^131342320125 is an apocalyptic number.

131342320125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131342320125 is a deficient number, since it is larger than the sum of its proper divisors (114193285827).

131342320125 is an frugal number, since it uses more digits than its factorization.

131342320125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324057 (or 4324035 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 131342320125 its reverse (521023243131), we get a palindrome (652365563256).

The spelling of 131342320125 in words is "one hundred thirty-one billion, three hundred forty-two million, three hundred twenty thousand, one hundred twenty-five".