313442321414021 has 2 divisors, whose sum is σ = 313442321414022. Its totient is φ = 313442321414020.

The previous prime is 313442321413999. The next prime is 313442321414077. The reversal of 313442321414021 is 120414123244313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200462131156225 + 112980190257796 = 14158465^2 + 10629214^2 .

It is an emirp because it is prime and its reverse (120414123244313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313442321414021 - 2³⁰ = 313441247672197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313442321414921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156721160707010 + 156721160707011.

It is an arithmetic number, because the mean of its divisors is an integer number (156721160707011).

Almost surely, 2^{313442321414021} is an apocalyptic number.

It is an amenable number.

313442321414021 is a deficient number, since it is larger than the sum of its proper divisors (1).

313442321414021 is an equidigital number, since it uses as much as digits as its factorization.

313442321414021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 313442321414021 its reverse (120414123244313), we get a palindrome (433856444658334).

The spelling of 313442321414021 in words is "three hundred thirteen trillion, four hundred forty-two billion, three hundred twenty-one million, four hundred fourteen thousand, twenty-one".