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222331100131 = 71910333161779
BaseRepresentation
bin1100111100001111110…
…1110101101111100011
3210020212122012002222001
43033003331311233203
512120313230201011
6250045411024431
722030400112130
oct3170375655743
9706778162861
10222331100131
1186321123258
123710a29b117
1317c7293a8aa
14aa91c0d587
155bb3ba67c1
hex33c3f75be3

222331100131 has 16 divisors (see below), whose sum is σ = 267493523200. Its totient is φ = 180520951968.

The previous prime is 222331100083. The next prime is 222331100141. The reversal of 222331100131 is 131001133222.

It is not a de Polignac number, because 222331100131 - 27 = 222331100003 is a prime.

It is a super-2 number, since 2×2223311001312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222331100099 and 222331100108.

It is not an unprimeable number, because it can be changed into a prime (222331100141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293400 + ... + 1455178.

It is an arithmetic number, because the mean of its divisors is an integer number (16718345200).

Almost surely, 2222331100131 is an apocalyptic number.

222331100131 is a deficient number, since it is larger than the sum of its proper divisors (45162423069).

222331100131 is a wasteful number, since it uses less digits than its factorization.

222331100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172138.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 222331100131 its reverse (131001133222), we get a palindrome (353332233353).

The spelling of 222331100131 in words is "two hundred twenty-two billion, three hundred thirty-one million, one hundred thousand, one hundred thirty-one".

Divisors: 1 7 19 133 10333 72331 161779 196327 1132453 1374289 3073801 21516607 1671662407 11701636849 31761585733 222331100131