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224031013 is a prime number
BaseRepresentation
bin11010101101001…
…11000100100101
3120121112221202221
431112213010211
5424322443023
634121432341
75360142433
oct1526470445
9517487687
10224031013
111055068a8
126303b6b1
133754c43b
1421a79d53
1514a0485d
hexd5a7125

224031013 has 2 divisors, whose sum is σ = 224031014. Its totient is φ = 224031012.

The previous prime is 224030987. The next prime is 224031019. The reversal of 224031013 is 310130422.

It is a happy number.

224031013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120846049 + 103184964 = 10993^2 + 10158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-224031013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224031019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112015506 + 112015507.

It is an arithmetic number, because the mean of its divisors is an integer number (112015507).

Almost surely, 2224031013 is an apocalyptic number.

It is an amenable number.

224031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

224031013 is an equidigital number, since it uses as much as digits as its factorization.

224031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 224031013 is about 14967.6655828489. The cubic root of 224031013 is about 607.3458209787.

Adding to 224031013 its reverse (310130422), we get a palindrome (534161435).

The spelling of 224031013 in words is "two hundred twenty-four million, thirty-one thousand, thirteen".