331443202141 has 2 divisors, whose sum is σ = 331443202142. Its totient is φ = 331443202140.

The previous prime is 331443202117. The next prime is 331443202151. The reversal of 331443202141 is 141202344133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276008383225 + 55434818916 = 525365^2 + 235446^2 .

It is a cyclic number.

It is not a de Polignac number, because 331443202141 - 2⁹ = 331443201629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331443202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165721601070 + 165721601071.

It is an arithmetic number, because the mean of its divisors is an integer number (165721601071).

Almost surely, 2^331443202141 is an apocalyptic number.

It is an amenable number.

331443202141 is a deficient number, since it is larger than the sum of its proper divisors (1).

331443202141 is an equidigital number, since it uses as much as digits as its factorization.

331443202141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 331443202141 its reverse (141202344133), we get a palindrome (472645546274).

The spelling of 331443202141 in words is "three hundred thirty-one billion, four hundred forty-three million, two hundred two thousand, one hundred forty-one".