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220130031331 = 73641778517
BaseRepresentation
bin1100110100000011000…
…1011011011011100011
3210001012020111020012101
43031000301123123203
512101311242000311
6245043142311231
721622012252000
oct3150061333343
9701166436171
10220130031331
11853a1733731
12367b5128517
13179b1923912
14a9237748a7
155ad5827ec1
hex3340c5b6e3

220130031331 has 8 divisors (see below), whose sum is σ = 256711407200. Its totient is φ = 188682883704.

The previous prime is 220130031263. The next prime is 220130031349. The reversal of 220130031331 is 133130031022.

220130031331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220130031331 - 219 = 220129507043 is a prime.

It is a super-2 number, since 2×2201300313312 (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 = 220130031299 and 220130031308.

It is not an unprimeable number, because it can be changed into a prime (220130001331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320888916 + ... + 320889601.

It is an arithmetic number, because the mean of its divisors is an integer number (32088925900).

Almost surely, 2220130031331 is an apocalyptic number.

220130031331 is a deficient number, since it is larger than the sum of its proper divisors (36581375869).

220130031331 is an frugal number, since it uses more digits than its factorization.

220130031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641778538 (or 641778524 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 220130031331 its reverse (133130031022), we get a palindrome (353260062353).

The spelling of 220130031331 in words is "two hundred twenty billion, one hundred thirty million, thirty-one thousand, three hundred thirty-one".

Divisors: 1 7 49 343 641778517 4492449619 31447147333 220130031331