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2003012213 is a prime number
BaseRepresentation
bin111011101100011…
…1000101001110101
312011121000120012112
41313120320221311
513100232342323
6530431300405
7100431215516
oct16730705165
95147016175
102003012213
119387147a4
1247a97a705
1325bc90437
14150040a0d
15bacaa178
hex77638a75

2003012213 has 2 divisors, whose sum is σ = 2003012214. Its totient is φ = 2003012212.

The previous prime is 2003012183. The next prime is 2003012257. The reversal of 2003012213 is 3122103002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1976869444 + 26142769 = 44462^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003012213 - 230 = 929270389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003017213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001506106 + 1001506107.

It is an arithmetic number, because the mean of its divisors is an integer number (1001506107).

Almost surely, 22003012213 is an apocalyptic number.

It is an amenable number.

2003012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003012213 is an equidigital number, since it uses as much as digits as its factorization.

2003012213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2003012213 is about 44755.0244441895. The cubic root of 2003012213 is about 1260.5532577045.

Adding to 2003012213 its reverse (3122103002), we get a palindrome (5125115215).

The spelling of 2003012213 in words is "two billion, three million, twelve thousand, two hundred thirteen".