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223131041 = 7192636379
BaseRepresentation
bin11010100110010…
…11010110100001
3120112212020020122
431103023112201
5424110143131
634050250025
75346403550
oct1523132641
9515766218
10223131041
11104a51721
1262886915
13372c5903
14218c3d97
15148c7d7b
hexd4cb5a1

223131041 has 16 divisors (see below), whose sum is σ = 269491200. Its totient is φ = 180471888.

The previous prime is 223131037. The next prime is 223131047. The reversal of 223131041 is 140131322.

223131041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 223131041 - 22 = 223131037 is a prime.

It is a super-3 number, since 3×2231310413 (a number of 26 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 (223131047) 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, 31790 + ... + 38168.

It is an arithmetic number, because the mean of its divisors is an integer number (16843200).

Almost surely, 2223131041 is an apocalyptic number.

It is an amenable number.

223131041 is a deficient number, since it is larger than the sum of its proper divisors (46360159).

223131041 is a wasteful number, since it uses less digits than its factorization.

223131041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668.

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

The square root of 223131041 is about 14937.5714558960. The cubic root of 223131041 is about 606.5314578459.

Adding to 223131041 its reverse (140131322), we get a palindrome (363262363).

The spelling of 223131041 in words is "two hundred twenty-three million, one hundred thirty-one thousand, forty-one".

Divisors: 1 7 19 133 263 1841 4997 6379 34979 44653 121201 848407 1677677 11743739 31875863 223131041