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231302220203222 = 2789625729668501
BaseRepresentation
bin110100100101111000111110…
…101010111100010011010110
31010022222021110102101021112122
4310211320332222330103112
5220304123421333000342
62135534434551015542
766502014433061210
oct6445707652742326
91108867412337478
10231302220203222
11677777a22a5093
1221b37b0566a5b2
139c0a92377b97c
1441191313755b0
151bb1a7cb4b4d2
hexd25e3eabc4d6

231302220203222 has 32 divisors (see below), whose sum is σ = 401037448714560. Its totient is φ = 98000039808000.

The previous prime is 231302220203207. The next prime is 231302220203293. The reversal of 231302220203222 is 222302022203132.

It is a junction number, because it is equal to n+sod(n) for n = 231302220203191 and 231302220203200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7038029 + ... + 22630472.

It is an arithmetic number, because the mean of its divisors is an integer number (12532420272330).

Almost surely, 2231302220203222 is an apocalyptic number.

231302220203222 is a deficient number, since it is larger than the sum of its proper divisors (169735228511338).

231302220203222 is a wasteful number, since it uses less digits than its factorization.

231302220203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29674856.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 231302220203222 its reverse (222302022203132), we get a palindrome (453604242406354).

The spelling of 231302220203222 in words is "two hundred thirty-one trillion, three hundred two billion, two hundred twenty million, two hundred three thousand, two hundred twenty-two".

Divisors: 1 2 7 14 89 178 623 1246 6257 12514 43799 87598 556873 1113746 3898111 7796222 29668501 59337002 207679507 415359014 2640496589 5280993178 18483476123 36966952246 185635810757 371271621514 1299450675299 2598901350598 16521587157373 33043174314746 115651110101611 231302220203222