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220313041325921 is a prime number
BaseRepresentation
bin110010000101111110100000…
…100100010100111101100001
31001220001201110122120120221102
4302011332200210110331201
5212334102102034412141
62100322225225404145
764256043354606335
oct6205764044247541
91056051418516842
10220313041325921
1164220266308895
1220862187939655
1395c157a1b23cb
143c592cb0297c5
151a70cab49a99b
hexc85fa0914f61

220313041325921 has 2 divisors, whose sum is σ = 220313041325922. Its totient is φ = 220313041325920.

The previous prime is 220313041325879. The next prime is 220313041325933. The reversal of 220313041325921 is 129523140313022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217745881126225 + 2567160199696 = 14756215^2 + 1602236^2 .

It is a cyclic number.

It is not a de Polignac number, because 220313041325921 - 246 = 149944297148257 is a prime.

It is not a weakly prime, because it can be changed into another prime (220313041327921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110156520662960 + 110156520662961.

It is an arithmetic number, because the mean of its divisors is an integer number (110156520662961).

Almost surely, 2220313041325921 is an apocalyptic number.

It is an amenable number.

220313041325921 is a deficient number, since it is larger than the sum of its proper divisors (1).

220313041325921 is an equidigital number, since it uses as much as digits as its factorization.

220313041325921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 220313041325921 its reverse (129523140313022), we get a palindrome (349836181638943).

The spelling of 220313041325921 in words is "two hundred twenty trillion, three hundred thirteen billion, forty-one million, three hundred twenty-five thousand, nine hundred twenty-one".