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222100230131 = 13137981712703
BaseRepresentation
bin1100111011011000110…
…1001000111111110011
3210020021112202200212022
43032312031020333303
512114330124331011
6250010442422055
722021564543553
oct3166615107763
9706245680768
10222100230131
11862128761aa
1237064b0192b
1317c36b65620
14aa6d2b3163
155b9d7a08db
hex33b6348ff3

222100230131 has 16 divisors (see below), whose sum is σ = 240974248704. Its totient is φ = 203482381824.

The previous prime is 222100230127. The next prime is 222100230139. The reversal of 222100230131 is 131032001222.

It is a cyclic number.

It is not a de Polignac number, because 222100230131 - 22 = 222100230127 is a prime.

It is a super-2 number, since 2×2221002301312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100230139) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17477726 + ... + 17490428.

It is an arithmetic number, because the mean of its divisors is an integer number (15060890544).

Almost surely, 2222100230131 is an apocalyptic number.

222100230131 is a deficient number, since it is larger than the sum of its proper divisors (18874018573).

222100230131 is a wasteful number, since it uses less digits than its factorization.

222100230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22670.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222100230131 its reverse (131032001222), we get a palindrome (353132231353).

The spelling of 222100230131 in words is "two hundred twenty-two billion, one hundred million, two hundred thirty thousand, one hundred thirty-one".

Divisors: 1 13 137 1781 9817 12703 127621 165139 1344929 1740311 17484077 22624043 124705351 1621169563 17084633087 222100230131