131421443330206 has 16 divisors (see below), whose sum is σ = 198522082741248. Its totient is φ = 65247785955000.

The previous prime is 131421443330201. The next prime is 131421443330213. The reversal of 131421443330206 is 602033344124131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421443330201) 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 in 7 ways as a sum of consecutive naturals, for example, 91840050 + ... + 93260053.

It is an arithmetic number, because the mean of its divisors is an integer number (12407630171328).

Almost surely, 2^{131421443330206} is an apocalyptic number.

131421443330206 is a deficient number, since it is larger than the sum of its proper divisors (67100639411042).

131421443330206 is a wasteful number, since it uses less digits than its factorization.

131421443330206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185102607.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 131421443330206 its reverse (602033344124131), we get a palindrome (733454787454337).

The spelling of 131421443330206 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred forty-three million, three hundred thirty thousand, two hundred six".