131343221244002 has 4 divisors (see below), whose sum is σ = 197014831866006. Its totient is φ = 65671610622000.

The previous prime is 131343221243953. The next prime is 131343221244007. The reversal of 131343221244002 is 200442122343131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94273011506041 + 37070209737961 = 9709429^2 + 6088531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131343221244002.

It is not an unprimeable number, because it can be changed into a prime (131343221244007) by changing a digit.

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 as a sum of consecutive naturals, namely, 32835805310999 + ... + 32835805311002.

Almost surely, 2^{131343221244002} is an apocalyptic number.

131343221244002 is a deficient number, since it is larger than the sum of its proper divisors (65671610622004).

131343221244002 is an equidigital number, since it uses as much as digits as its factorization.

131343221244002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65671610622003.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131343221244002 its reverse (200442122343131), we get a palindrome (331785343587133).

The spelling of 131343221244002 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred twenty-one million, two hundred forty-four thousand, two".