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313323121321121 is a prime number
BaseRepresentation
bin100011100111101110011100…
…1010110001010010010100001
31112002101101202001012221202102
41013033130321112022102201
5312031441223024233441
63030214353240100145
7122665564014246452
oct10717347126122241
91462341661187672
10313323121321121
119091a65373a26a
122b184153464655
13105aa322148322
145752cc462d129
1526353c047b69b
hex11cf73958a4a1

313323121321121 has 2 divisors, whose sum is σ = 313323121321122. Its totient is φ = 313323121321120.

The previous prime is 313323121321109. The next prime is 313323121321151. The reversal of 313323121321121 is 121123121323313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263032898087521 + 50290223233600 = 16218289^2 + 7091560^2 .

It is a cyclic number.

It is not a de Polignac number, because 313323121321121 - 214 = 313323121304737 is a prime.

It is not a weakly prime, because it can be changed into another prime (313323121321151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156661560660560 + 156661560660561.

It is an arithmetic number, because the mean of its divisors is an integer number (156661560660561).

Almost surely, 2313323121321121 is an apocalyptic number.

It is an amenable number.

313323121321121 is a deficient number, since it is larger than the sum of its proper divisors (1).

313323121321121 is an equidigital number, since it uses as much as digits as its factorization.

313323121321121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

Adding to 313323121321121 its reverse (121123121323313), we get a palindrome (434446242644434).

The spelling of 313323121321121 in words is "three hundred thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-one".