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222312030131 = 172898643211
BaseRepresentation
bin1100111100001011010…
…1000101111110110011
3210020211022022020211202
43033002311011332303
512120243334431011
6250043450201415
722030046035352
oct3170265057663
9706738266752
10222312030131
1186311388724
1237103a2326b
1317c6b9c1879
14aa8d487999
155bb218b23b
hex33c2d45fb3

222312030131 has 12 divisors (see below), whose sum is σ = 238811947560. Its totient is φ = 206883874560.

The previous prime is 222312030091. The next prime is 222312030151. The reversal of 222312030131 is 131030213222.

It is a de Polignac number, because none of the positive numbers 2k-222312030131 is a prime.

It is a super-2 number, since 2×2223120301312 (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 (222312030151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4295885 + ... + 4347326.

It is an arithmetic number, because the mean of its divisors is an integer number (19900995630).

Almost surely, 2222312030131 is an apocalyptic number.

222312030131 is a deficient number, since it is larger than the sum of its proper divisors (16499917429).

222312030131 is an equidigital number, since it uses as much as digits as its factorization.

222312030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643334 (or 8643317 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 222312030131 its reverse (131030213222), we get a palindrome (353342243353).

The spelling of 222312030131 in words is "two hundred twenty-two billion, three hundred twelve million, thirty thousand, one hundred thirty-one".

Divisors: 1 17 89 289 1513 25721 8643211 146934587 769245779 2497887979 13077178243 222312030131