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13031230223222 = 229683769942727
BaseRepresentation
bin1011110110100001000111…
…0110010011001101110110
31201010202212211200020122122
42331220101312103031312
53202000424414120342
643414244200355542
72513322014204021
oct275502166231566
951122784606578
1013031230223222
114174571812732
121565658775bb2
13736abbb97443
14330a019ca1b8
15178e8b2bb4d2
hexbda11d93376

13031230223222 has 32 divisors (see below), whose sum is σ = 20253584736000. Its totient is φ = 6280765067808.

The previous prime is 13031230223191. The next prime is 13031230223257. The reversal of 13031230223222 is 22232203213031.

It is a super-2 number, since 2×130312302232222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13031230223191 and 13031230223200.

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, 304966823 + ... + 305009549.

It is an arithmetic number, because the mean of its divisors is an integer number (632924523000).

Almost surely, 213031230223222 is an apocalyptic number.

13031230223222 is a deficient number, since it is larger than the sum of its proper divisors (7222354512778).

13031230223222 is a wasteful number, since it uses less digits than its factorization.

13031230223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51140.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13031230223222 its reverse (22232203213031), we get a palindrome (35263433436253).

The spelling of 13031230223222 in words is "thirteen trillion, thirty-one billion, two hundred thirty million, two hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 29 58 683 1366 7699 15398 19807 39614 42727 85454 223271 446542 1239083 2478166 5258417 10516834 29182541 58365082 152494093 304988186 328955173 657910346 846293689 1692587378 9539700017 19079400034 224676383159 449352766318 6515615111611 13031230223222