2021332231313 has 2 divisors, whose sum is σ = 2021332231314. Its totient is φ = 2021332231312.

The previous prime is 2021332231307. The next prime is 2021332231343. The reversal of 2021332231313 is 3131322331202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359024355984 + 662307875329 = 1165772^2 + 813823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021332231313 - 2¹⁶ = 2021332165777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021332231343) 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, 1010666115656 + 1010666115657.

It is an arithmetic number, because the mean of its divisors is an integer number (1010666115657).

Almost surely, 2^{2021332231313} is an apocalyptic number.

It is an amenable number.

2021332231313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021332231313 is an equidigital number, since it uses as much as digits as its factorization.

2021332231313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2021332231313 its reverse (3131322331202), we get a palindrome (5152654562515).

The spelling of 2021332231313 in words is "two trillion, twenty-one billion, three hundred thirty-two million, two hundred thirty-one thousand, three hundred thirteen".