131201204343442 has 16 divisors (see below), whose sum is σ = 196831208286720. Its totient is φ = 65590802005312.

The previous prime is 131201204343439. The next prime is 131201204343491. The reversal of 131201204343442 is 244343402102131.

It is a junction number, because it is equal to n+sod(n) for n = 131201204343398 and 131201204343407.

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, 878153898 + ... + 878303290.

It is an arithmetic number, because the mean of its divisors is an integer number (12301950517920).

Almost surely, 2^{131201204343442} is an apocalyptic number.

131201204343442 is a deficient number, since it is larger than the sum of its proper divisors (65630003943278).

131201204343442 is a wasteful number, since it uses less digits than its factorization.

131201204343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212057.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 131201204343442 its reverse (244343402102131), we get a palindrome (375544606445573).

The spelling of 131201204343442 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred four million, three hundred forty-three thousand, four hundred forty-two".