131202434400442 has 8 divisors (see below), whose sum is σ = 197084398609332. Its totient is φ = 65507634864000.

The previous prime is 131202434400439. The next prime is 131202434400449. The reversal of 131202434400442 is 244004434202131.

It can be written as a sum of positive squares in 2 ways, for example, as 121329145532401 + 9873288868041 = 11014951^2 + 3142179^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131202434400398 and 131202434400407.

It is not an unprimeable number, because it can be changed into a prime (131202434400449) 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, 46791166359 + ... + 46791169162.

Almost surely, 2^{131202434400442} is an apocalyptic number.

131202434400442 is a deficient number, since it is larger than the sum of its proper divisors (65881964208890).

131202434400442 is an equidigital number, since it uses as much as digits as its factorization.

131202434400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93582336224.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 131202434400442 its reverse (244004434202131), we get a palindrome (375206868602573).

The spelling of 131202434400442 in words is "one hundred thirty-one trillion, two hundred two billion, four hundred thirty-four million, four hundred thousand, four hundred forty-two".