131350534334521 has 16 divisors (see below), whose sum is σ = 135808036024320. Its totient is φ = 126906848505360.

The previous prime is 131350534334489. The next prime is 131350534334549. The reversal of 131350534334521 is 125433435053131.

It is a cyclic number.

It is not a de Polignac number, because 131350534334521 - 2⁵ = 131350534334489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131350534331521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191751996 + ... + 192435778.

It is an arithmetic number, because the mean of its divisors is an integer number (8488002251520).

Almost surely, 2^{131350534334521} is an apocalyptic number.

It is an amenable number.

131350534334521 is a deficient number, since it is larger than the sum of its proper divisors (4457501689799).

131350534334521 is an equidigital number, since it uses as much as digits as its factorization.

131350534334521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693876.

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 131350534334521 its reverse (125433435053131), we get a palindrome (256783969387652).

The spelling of 131350534334521 in words is "one hundred thirty-one trillion, three hundred fifty billion, five hundred thirty-four million, three hundred thirty-four thousand, five hundred twenty-one".