131350342231021 has 8 divisors (see below), whose sum is σ = 137062227775680. Its totient is φ = 125638540111392.

The previous prime is 131350342230977. The next prime is 131350342231033. The reversal of 131350342231021 is 120132243053131.

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 131350342231021 - 2¹⁵ = 131350342198253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131350342231051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17628216 + ... + 23946913.

It is an arithmetic number, because the mean of its divisors is an integer number (17132778471960).

Almost surely, 2^{131350342231021} is an apocalyptic number.

It is an amenable number.

131350342231021 is a deficient number, since it is larger than the sum of its proper divisors (5711885544659).

131350342231021 is a wasteful number, since it uses less digits than its factorization.

131350342231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41712515.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 131350342231021 its reverse (120132243053131), we get a palindrome (251482585284152).

The spelling of 131350342231021 in words is "one hundred thirty-one trillion, three hundred fifty billion, three hundred forty-two million, two hundred thirty-one thousand, twenty-one".