131201220221342 has 8 divisors (see below), whose sum is σ = 196802383037232. Its totient is φ = 65600425875600.

The previous prime is 131201220221329. The next prime is 131201220221413. The reversal of 131201220221342 is 243122022102131.

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

It is a super-3 number, since 3×131201220221342³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91225634 + ... + 92652677.

It is an arithmetic number, because the mean of its divisors is an integer number (24600297879654).

Almost surely, 2^{131201220221342} is an apocalyptic number.

131201220221342 is a deficient number, since it is larger than the sum of its proper divisors (65601162815890).

131201220221342 is a wasteful number, since it uses less digits than its factorization.

131201220221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184235074.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131201220221342 its reverse (243122022102131), we get a palindrome (374323242323473).

The spelling of 131201220221342 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred twenty million, two hundred twenty-one thousand, three hundred forty-two".