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131230203122222 = 22310733926577763
BaseRepresentation
bin11101110101101001101001…
…101001000001001000101110
3122012122111002111012222102122
4131311221221221001020232
5114200033423444402342
61143034153440152542
736433032524543441
oct3565515151011056
9565574074188378
10131230203122222
11388a5464553056
1212875361608752
13582bc55343439
14245980bac7658
1510288eab324d2
hex775a69a4122e

131230203122222 has 16 divisors (see below), whose sum is σ = 205405717518720. Its totient is φ = 62761683986232.

The previous prime is 131230203122147. The next prime is 131230203122237. The reversal of 131230203122222 is 222221302032131.

It is a super-2 number, since 2×1312302031222222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131230203122191 and 131230203122200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8351288 + ... + 18226475.

It is an arithmetic number, because the mean of its divisors is an integer number (12837857344920).

Almost surely, 2131230203122222 is an apocalyptic number.

131230203122222 is a deficient number, since it is larger than the sum of its proper divisors (74175514396498).

131230203122222 is a wasteful number, since it uses less digits than its factorization.

131230203122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26685127.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131230203122222 its reverse (222221302032131), we get a palindrome (353451505154353).

The spelling of 131230203122222 in words is "one hundred thirty-one trillion, two hundred thirty billion, two hundred three million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 23 46 107339 214678 2468797 4937594 26577763 53155526 611288549 1222577098 2852830502657 5705661005314 65615101561111 131230203122222