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331220212012233 = 32711035941784697
BaseRepresentation
bin100101101001111100011011…
…1000101000101010011001001
31121102202100021001211001200100
41023103320313011011103021
5321403202443233342413
63132240244221400013
7126523604424143565
oct11323706705052311
91542670231731610
10331220212012233
119659a780873605
1231194842a09009
13112a7c167083cb
145bb12028206a5
152845be79bca73
hex12d3e371454c9

331220212012233 has 48 divisors (see below), whose sum is σ = 489892028610816. Its totient is φ = 215583626442240.

The previous prime is 331220212012229. The next prime is 331220212012297. The reversal of 331220212012233 is 332210212022133.

331220212012233 is a `hidden beast` number, since 3 + 3 + 1 + 220 + 2 + 1 + 201 + 2 + 233 = 666.

It is not a de Polignac number, because 331220212012233 - 22 = 331220212012229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331220212012197 and 331220212012206.

It is not an unprimeable number, because it can be changed into a prime (331220212012223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3910606341 + ... + 3910691037.

It is an arithmetic number, because the mean of its divisors is an integer number (10206083929392).

Almost surely, 2331220212012233 is an apocalyptic number.

It is an amenable number.

331220212012233 is a deficient number, since it is larger than the sum of its proper divisors (158671816598583).

331220212012233 is a wasteful number, since it uses less digits than its factorization.

331220212012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144294 (or 144291 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 331220212012233 its reverse (332210212022133), we get a palindrome (663430424034366).

The spelling of 331220212012233 in words is "three hundred thirty-one trillion, two hundred twenty billion, two hundred twelve million, twelve thousand, two hundred thirty-three".

Divisors: 1 3 9 71 103 213 309 639 927 7313 21939 59417 65817 84697 178251 254091 534753 762273 4218607 6013487 6119951 8723791 12655821 18040461 18359853 26171373 37967463 54121383 55079559 78514119 434516521 619389161 1303549563 1858167483 3910648689 5032441649 5574502449 15097324947 45291974841 357303357079 518341489847 1071910071237 1555024469541 3215730213711 4665073408623 36802245779137 110406737337411 331220212012233