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2203312012321 = 71372297509919
BaseRepresentation
bin100000000011111111101…
…000010011110000100001
321210122010121021012020111
4200003333220103300201
5242044340333343241
64404104303011321
7315120061044460
oct40037750236041
97718117235214
102203312012321
1177a468210952
122b7024899b41
1312ca04ab0344
14788d87969d7
153c4a70c8c81
hex200ffa13c21

2203312012321 has 8 divisors (see below), whose sum is σ = 2536450951680. Its totient is φ = 1874768093088.

The previous prime is 2203312012313. The next prime is 2203312012351. The reversal of 2203312012321 is 1232102133022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2203312012321 - 23 = 2203312012313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203312012292 and 2203312012301.

It is not an unprimeable number, because it can be changed into a prime (2203312012351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148754001 + ... + 1148755918.

It is an arithmetic number, because the mean of its divisors is an integer number (317056368960).

Almost surely, 22203312012321 is an apocalyptic number.

It is an amenable number.

2203312012321 is a deficient number, since it is larger than the sum of its proper divisors (333138939359).

2203312012321 is a wasteful number, since it uses less digits than its factorization.

2203312012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297510063.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2203312012321 its reverse (1232102133022), we get a palindrome (3435414145343).

The spelling of 2203312012321 in words is "two trillion, two hundred three billion, three hundred twelve million, twelve thousand, three hundred twenty-one".

Divisors: 1 7 137 959 2297509919 16082569433 314758858903 2203312012321