331134033202121 has 2 divisors, whose sum is σ = 331134033202122. Its totient is φ = 331134033202120.

The previous prime is 331134033202097. The next prime is 331134033202229. The reversal of 331134033202121 is 121202330431133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316870759146496 + 14263274055625 = 17800864^2 + 3776675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331134033202121 is a prime.

It is not a weakly prime, because it can be changed into another prime (331134033205121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165567016601060 + 165567016601061.

It is an arithmetic number, because the mean of its divisors is an integer number (165567016601061).

Almost surely, 2^{331134033202121} is an apocalyptic number.

It is an amenable number.

331134033202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

331134033202121 is an equidigital number, since it uses as much as digits as its factorization.

331134033202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 331134033202121 its reverse (121202330431133), we get a palindrome (452336363633254).

The spelling of 331134033202121 in words is "three hundred thirty-one trillion, one hundred thirty-four billion, thirty-three million, two hundred two thousand, one hundred twenty-one".