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220130302231 = 7929186718131
BaseRepresentation
bin1100110100000011001…
…0011101100100010111
3210001012020222222210201
43031000302131210113
512101311324132411
6245043152201331
721622014460540
oct3150062354427
9701166888721
10220130302231
11853a18a9214
12367b5239247
13179b19ba008
14a9238054c7
155ad587d3c1
hex3340c9d917

220130302231 has 16 divisors (see below), whose sum is σ = 251997085440. Its totient is φ = 188368669440.

The previous prime is 220130302229. The next prime is 220130302313. The reversal of 220130302231 is 132203031022.

It is not a de Polignac number, because 220130302231 - 21 = 220130302229 is a prime.

It is a super-2 number, since 2×2201303022312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220130302199 and 220130302208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220130002231) 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, 12132036 + ... + 12150166.

It is an arithmetic number, because the mean of its divisors is an integer number (15749817840).

Almost surely, 2220130302231 is an apocalyptic number.

220130302231 is a deficient number, since it is larger than the sum of its proper divisors (31866783209).

220130302231 is a wasteful number, since it uses less digits than its factorization.

220130302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20934.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220130302231 its reverse (132203031022), we get a palindrome (352333333253).

The spelling of 220130302231 in words is "two hundred twenty billion, one hundred thirty million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 7 929 1867 6503 13069 18131 126917 1734443 12141101 16843699 33850577 117905893 236954039 31447186033 220130302231