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224236031 is a prime number
BaseRepresentation
bin11010101110110…
…01000111111111
3120121221101000012
431113121013333
5424401023111
634130053435
75361655235
oct1527310777
9517841005
10224236031
11105636938
126311a27b
13375c1856
1421ad0955
1514a4548b
hexd5d91ff

224236031 has 2 divisors, whose sum is σ = 224236032. Its totient is φ = 224236030.

The previous prime is 224236027. The next prime is 224236087. The reversal of 224236031 is 130632422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224236031 - 22 = 224236027 is a prime.

It is a super-2 number, since 2×2242360312 = 100563595197265922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224235988 and 224236006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224236231) 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 as a sum of consecutive naturals, namely, 112118015 + 112118016.

It is an arithmetic number, because the mean of its divisors is an integer number (112118016).

Almost surely, 2224236031 is an apocalyptic number.

224236031 is a deficient number, since it is larger than the sum of its proper divisors (1).

224236031 is an equidigital number, since it uses as much as digits as its factorization.

224236031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 224236031 is about 14974.5127132738. The cubic root of 224236031 is about 607.5310317374.

Adding to 224236031 its reverse (130632422), we get a palindrome (354868453).

The spelling of 224236031 in words is "two hundred twenty-four million, two hundred thirty-six thousand, thirty-one".