130131432121 has 8 divisors (see below), whose sum is σ = 134971754184. Its totient is φ = 125360755200.

The previous prime is 130131432077. The next prime is 130131432143. The reversal of 130131432121 is 121234131031.

It can be written as a sum of positive squares in 4 ways, for example, as 88601475600 + 41529956521 = 297660^2 + 203789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130131432121 - 2¹¹ = 130131430073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130131432092 and 130131432101.

It is not an unprimeable number, because it can be changed into a prime (130131432181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17407480 + ... + 17414953.

It is an arithmetic number, because the mean of its divisors is an integer number (16871469273).

Almost surely, 2^130131432121 is an apocalyptic number.

It is an amenable number.

130131432121 is a deficient number, since it is larger than the sum of its proper divisors (4840322063).

130131432121 is a wasteful number, since it uses less digits than its factorization.

130131432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34822571.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 130131432121 its reverse (121234131031), we get a palindrome (251365563152).

The spelling of 130131432121 in words is "one hundred thirty billion, one hundred thirty-one million, four hundred thirty-two thousand, one hundred twenty-one".