131201421041042 has 48 divisors (see below), whose sum is σ = 217264803419160. Its totient is φ = 59376971934720.

The previous prime is 131201421041027. The next prime is 131201421041071. The reversal of 131201421041042 is 240140124102131.

It can be written as a sum of positive squares in 4 ways, for example, as 110061941263681 + 21139479777361 = 10491041^2 + 4597769^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54607184 + ... + 56959172.

Almost surely, 2^{131201421041042} is an apocalyptic number.

131201421041042 is a deficient number, since it is larger than the sum of its proper divisors (86063382378118).

131201421041042 is a wasteful number, since it uses less digits than its factorization.

131201421041042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353019 (or 2353008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 131201421041042 its reverse (240140124102131), we get a palindrome (371341545143173).

The spelling of 131201421041042 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, forty-one thousand, forty-two".