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223201221131 = 799313210743
BaseRepresentation
bin1100111111011111010…
…1000101101000001011
3210100010021110211120202
43033313311011220023
512124104003034011
6250312012442415
722061064035060
oct3176765055013
9710107424522
10223201221131
11867282a8019
123731177940b
1318080ca23a5
14ab355ccc67
155c1528023b
hex33f7d45a0b

223201221131 has 8 divisors (see below), whose sum is σ = 255112875264. Its totient is φ = 191296008360.

The previous prime is 223201221119. The next prime is 223201221203. The reversal of 223201221131 is 131122102322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223201221131 - 214 = 223201204747 is a prime.

It is a super-3 number, since 3×2232012211313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223201221031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535855 + ... + 1674888.

It is an arithmetic number, because the mean of its divisors is an integer number (31889109408).

Almost surely, 2223201221131 is an apocalyptic number.

223201221131 is a deficient number, since it is larger than the sum of its proper divisors (31911654133).

223201221131 is an equidigital number, since it uses as much as digits as its factorization.

223201221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220681.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223201221131 its reverse (131122102322), we get a palindrome (354323323453).

The spelling of 223201221131 in words is "two hundred twenty-three billion, two hundred one million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 7 9931 69517 3210743 22475201 31885888733 223201221131