131244221022203 has 4 divisors (see below), whose sum is σ = 131283154345368. Its totient is φ = 131205287699040.

The previous prime is 131244221022139. The next prime is 131244221022217. The reversal of 131244221022203 is 302220122442131.

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

It is a cyclic number.

It is not a de Polignac number, because 131244221022203 - 2⁶ = 131244221022139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131244221022283) 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, 19466656526 + ... + 19466663267.

It is an arithmetic number, because the mean of its divisors is an integer number (32820788586342).

Almost surely, 2^{131244221022203} is an apocalyptic number.

131244221022203 is a deficient number, since it is larger than the sum of its proper divisors (38933323165).

131244221022203 is an equidigital number, since it uses as much as digits as its factorization.

131244221022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38933323164.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131244221022203 its reverse (302220122442131), we get a palindrome (433464343464334).

The spelling of 131244221022203 in words is "one hundred thirty-one trillion, two hundred forty-four billion, two hundred twenty-one million, twenty-two thousand, two hundred three".