131330525130121 has 4 divisors (see below), whose sum is σ = 131330828317392. Its totient is φ = 131330221942852.

The previous prime is 131330525130113. The next prime is 131330525130221. The reversal of 131330525130121 is 121031525033131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131330525130121 - 2³ = 131330525130113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131330525130221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150942955 + ... + 151810528.

It is an arithmetic number, because the mean of its divisors is an integer number (32832707079348).

Almost surely, 2^{131330525130121} is an apocalyptic number.

It is an amenable number.

131330525130121 is a deficient number, since it is larger than the sum of its proper divisors (303187271).

131330525130121 is an equidigital number, since it uses as much as digits as its factorization.

131330525130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303187270.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 131330525130121 in words is "one hundred thirty-one trillion, three hundred thirty billion, five hundred twenty-five million, one hundred thirty thousand, one hundred twenty-one".