131442221455 has 8 divisors (see below), whose sum is σ = 163169654400. Its totient is φ = 101527784736.

The previous prime is 131442221441. The next prime is 131442221503. The reversal of 131442221455 is 554122244131.

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 131442221455 - 2¹³ = 131442213263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131442221455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453248895 + ... + 453249184.

It is an arithmetic number, because the mean of its divisors is an integer number (20396206800).

Almost surely, 2^131442221455 is an apocalyptic number.

131442221455 is a deficient number, since it is larger than the sum of its proper divisors (31727432945).

131442221455 is an equidigital number, since it uses as much as digits as its factorization.

131442221455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906498113.

The product of its digits is 38400, while the sum is 34.

Adding to 131442221455 its reverse (554122244131), we get a palindrome (685564465586).

The spelling of 131442221455 in words is "one hundred thirty-one billion, four hundred forty-two million, two hundred twenty-one thousand, four hundred fifty-five".