331131131206103 has 2 divisors, whose sum is σ = 331131131206104. Its totient is φ = 331131131206102.

The previous prime is 331131131206093. The next prime is 331131131206111. The reversal of 331131131206103 is 301602131131133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331131131206103 - 2¹⁰ = 331131131205079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331131131206123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565565603051 + 165565565603052.

It is an arithmetic number, because the mean of its divisors is an integer number (165565565603052).

Almost surely, 2^{331131131206103} is an apocalyptic number.

331131131206103 is a deficient number, since it is larger than the sum of its proper divisors (1).

331131131206103 is an equidigital number, since it uses as much as digits as its factorization.

331131131206103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

Adding to 331131131206103 its reverse (301602131131133), we get a palindrome (632733262337236).

The spelling of 331131131206103 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred six thousand, one hundred three".