1443202131101 has 2 divisors, whose sum is σ = 1443202131102. Its totient is φ = 1443202131100.

The previous prime is 1443202131067. The next prime is 1443202131127. The reversal of 1443202131101 is 1011312023441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1076922987001 + 366279144100 = 1037749^2 + 605210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443202131101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443202131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721601065550 + 721601065551.

It is an arithmetic number, because the mean of its divisors is an integer number (721601065551).

Almost surely, 2^{1443202131101} is an apocalyptic number.

It is an amenable number.

1443202131101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443202131101 is an equidigital number, since it uses as much as digits as its factorization.

1443202131101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1443202131101 its reverse (1011312023441), we get a palindrome (2454514154542).

The spelling of 1443202131101 in words is "one trillion, four hundred forty-three billion, two hundred two million, one hundred thirty-one thousand, one hundred one".