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121313203069 is a prime number
BaseRepresentation
bin111000011111011010…
…1001001001101111101
3102121010112012020110011
41300332311021031331
53441422134444234
6131421442543221
711523153132532
oct1607665111575
9377115166404
10121313203069
11474a3160013
121b617667b11
13b594295ac6
145c2b902d89
153250402b64
hex1c3ed4937d

121313203069 has 2 divisors, whose sum is σ = 121313203070. Its totient is φ = 121313203068.

The previous prime is 121313202979. The next prime is 121313203147. The reversal of 121313203069 is 960302313121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86061263044 + 35251940025 = 293362^2 + 187755^2 .

It is a cyclic number.

It is not a de Polignac number, because 121313203069 - 29 = 121313202557 is a prime.

It is a super-2 number, since 2×1213132030692 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121313203069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121313204069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656601534 + 60656601535.

It is an arithmetic number, because the mean of its divisors is an integer number (60656601535).

Almost surely, 2121313203069 is an apocalyptic number.

It is an amenable number.

121313203069 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313203069 is an equidigital number, since it uses as much as digits as its factorization.

121313203069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 121313203069 in words is "one hundred twenty-one billion, three hundred thirteen million, two hundred three thousand, sixty-nine".