131021144122243 has 8 divisors (see below), whose sum is σ = 131679912915200. Its totient is φ = 130362379040520.

The previous prime is 131021144122241. The next prime is 131021144122291. The reversal of 131021144122243 is 342221441120131.

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 131021144122243 - 2¹ = 131021144122241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131021144122241) 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, 94431496 + ... + 95808922.

It is an arithmetic number, because the mean of its divisors is an integer number (16459989114400).

Almost surely, 2^{131021144122243} is an apocalyptic number.

131021144122243 is a deficient number, since it is larger than the sum of its proper divisors (658768792957).

131021144122243 is a wasteful number, since it uses less digits than its factorization.

131021144122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855617.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 131021144122243 its reverse (342221441120131), we get a palindrome (473242585242374).

The spelling of 131021144122243 in words is "one hundred thirty-one trillion, twenty-one billion, one hundred forty-four million, one hundred twenty-two thousand, two hundred forty-three".