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22123000303131 = 3713233523331789
BaseRepresentation
bin1010000011110111010011…
…00100110000111000011011
32220022221022221002011021110
411001323221210300320123
510344430401034200011
6115015055510311403
74442222366606550
oct501735144607033
986287287064243
1022123000303131
11705a347a20102
122593704058563
13c462614c1960
14566a8a6d8a27
1528570b41cba6
hex141ee9930e1b

22123000303131 has 32 divisors (see below), whose sum is σ = 37882863406080. Its totient is φ = 11161915104384.

The previous prime is 22123000303073. The next prime is 22123000303169. The reversal of 22123000303131 is 13130300032122.

It is not a de Polignac number, because 22123000303131 - 243 = 13326907280923 is a prime.

It is a super-2 number, since 2×221230003031312 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22123000303098 and 22123000303107.

It is not an unprimeable number, because it can be changed into a prime (22123000303531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1761659616 + ... + 1761672173.

It is an arithmetic number, because the mean of its divisors is an integer number (1183839481440).

Almost surely, 222123000303131 is an apocalyptic number.

22123000303131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22123000303131 is a deficient number, since it is larger than the sum of its proper divisors (15759863102949).

22123000303131 is a wasteful number, since it uses less digits than its factorization.

22123000303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523331835.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22123000303131 its reverse (13130300032122), we get a palindrome (35253300335253).

The spelling of 22123000303131 in words is "twenty-two trillion, one hundred twenty-three billion, three hundred three thousand, one hundred thirty-one".

Divisors: 1 3 7 13 21 23 39 69 91 161 273 299 483 897 2093 6279 3523331789 10569995367 24663322523 45803313257 73989967569 81036631147 137409939771 243109893441 320623192799 567256418029 961869578397 1053476204911 1701769254087 3160428614733 7374333434377 22123000303131