131021444433242 has 8 divisors (see below), whose sum is σ = 214398727254432. Its totient is φ = 59555202015100.

The previous prime is 131021444433197. The next prime is 131021444433263. The reversal of 131021444433242 is 242334444120131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131021444433196 and 131021444433205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977760100734 + ... + 2977760100777.

It is an arithmetic number, because the mean of its divisors is an integer number (26799840906804).

Almost surely, 2^{131021444433242} is an apocalyptic number.

131021444433242 is a deficient number, since it is larger than the sum of its proper divisors (83377282821190).

131021444433242 is a wasteful number, since it uses less digits than its factorization.

131021444433242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955520201524.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 131021444433242 its reverse (242334444120131), we get a palindrome (373355888553373).

The spelling of 131021444433242 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-three thousand, two hundred forty-two".