131201220301442 has 8 divisors (see below), whose sum is σ = 202120798842876. Its totient is φ = 63827620687152.

The previous prime is 131201220301441. The next prime is 131201220301451. The reversal of 131201220301442 is 244103022102131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105464663620801 + 25736556680641 = 10269599^2 + 5073121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131201220301441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886494731693 + ... + 886494731840.

Almost surely, 2^{131201220301442} is an apocalyptic number.

131201220301442 is a deficient number, since it is larger than the sum of its proper divisors (70919578541434).

131201220301442 is a wasteful number, since it uses less digits than its factorization.

131201220301442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772989463572.

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

Adding to 131201220301442 its reverse (244103022102131), we get a palindrome (375304242403573).

The spelling of 131201220301442 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred twenty million, three hundred one thousand, four hundred forty-two".