331134122302021 has 2 divisors, whose sum is σ = 331134122302022. Its totient is φ = 331134122302020.

The previous prime is 331134122301991. The next prime is 331134122302063. The reversal of 331134122302021 is 120203221431133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299400211144225 + 31733911157796 = 17303185^2 + 5633286^2 .

It is a cyclic number.

It is not a de Polignac number, because 331134122302021 - 2⁷ = 331134122301893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331134122302421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165567061151010 + 165567061151011.

It is an arithmetic number, because the mean of its divisors is an integer number (165567061151011).

Almost surely, 2^{331134122302021} is an apocalyptic number.

It is an amenable number.

331134122302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

331134122302021 is an equidigital number, since it uses as much as digits as its factorization.

331134122302021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 331134122302021 its reverse (120203221431133), we get a palindrome (451337343733154).

The spelling of 331134122302021 in words is "three hundred thirty-one trillion, one hundred thirty-four billion, one hundred twenty-two million, three hundred two thousand, twenty-one".