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2301123221231 = 431373311180111
BaseRepresentation
bin100001011111000101101…
…000011101011011101111
322010222121020022102120112
4201133011220131123233
5300200200021034411
64521042120410235
7325151656440032
oct41370550353357
98128536272515
102301123221231
118079a008289a
12311b8161697b
13138cc1cb4313
147d536c57019
153ecce0acb8b
hex217c5a1d6ef

2301123221231 has 16 divisors (see below), whose sum is σ = 2378992501248. Its totient is φ = 2224460145600.

The previous prime is 2301123221209. The next prime is 2301123221249. The reversal of 2301123221231 is 1321223211032.

It is a cyclic number.

It is not a de Polignac number, because 2301123221231 - 218 = 2301122959087 is a prime.

It is a super-2 number, since 2×23011232212312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301123221197 and 2301123221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301123221431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359866 + ... + 2539976.

It is an arithmetic number, because the mean of its divisors is an integer number (148687031328).

Almost surely, 22301123221231 is an apocalyptic number.

2301123221231 is a deficient number, since it is larger than the sum of its proper divisors (77869280017).

2301123221231 is a wasteful number, since it uses less digits than its factorization.

2301123221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180622.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2301123221231 its reverse (1321223211032), we get a palindrome (3622346432263).

The spelling of 2301123221231 in words is "two trillion, three hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 43 137 331 5891 14233 45347 1180111 1949921 50744773 161675207 390616741 6952033901 16796519863 53514493517 2301123221231