131312301440121 has 24 divisors (see below), whose sum is σ = 192240952128680. Its totient is φ = 86362242011136.

The previous prime is 131312301440083. The next prime is 131312301440179. The reversal of 131312301440121 is 121044103213131.

131312301440121 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 230 + 1 + 4 + 401 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4148000248896 + 127164301191225 = 2036664^2 + 11276715^2 .

It is not a de Polignac number, because 131312301440121 - 2¹³ = 131312301431929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131312300440121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240006316 + ... + 240552813.

Almost surely, 2^{131312301440121} is an apocalyptic number.

It is an amenable number.

131312301440121 is a deficient number, since it is larger than the sum of its proper divisors (60928650688559).

131312301440121 is a wasteful number, since it uses less digits than its factorization.

131312301440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480559545 (or 480559542 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131312301440121 its reverse (121044103213131), we get a palindrome (252356404653252).

The spelling of 131312301440121 in words is "one hundred thirty-one trillion, three hundred twelve billion, three hundred one million, four hundred forty thousand, one hundred twenty-one".