131202244443 has 4 divisors (see below), whose sum is σ = 174936325928. Its totient is φ = 87468162960.

The previous prime is 131202244429. The next prime is 131202244447. The reversal of 131202244443 is 344442202131.

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

It is not a de Polignac number, because 131202244443 - 2⁴ = 131202244427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131202244443.

It is not an unprimeable number, because it can be changed into a prime (131202244447) 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, 21867040738 + ... + 21867040743.

It is an arithmetic number, because the mean of its divisors is an integer number (43734081482).

Almost surely, 2^131202244443 is an apocalyptic number.

131202244443 is a deficient number, since it is larger than the sum of its proper divisors (43734081485).

131202244443 is an equidigital number, since it uses as much as digits as its factorization.

131202244443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43734081484.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131202244443 its reverse (344442202131), we get a palindrome (475644446574).

The spelling of 131202244443 in words is "one hundred thirty-one billion, two hundred two million, two hundred forty-four thousand, four hundred forty-three".