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103240213 is a prime number
BaseRepresentation
bin1100010011101…
…01001000010101
321012021010221121
412021311020111
5202412141323
614124443541
72362345606
oct611651025
9235233847
10103240213
115330499a
122a6a95b1
13185095ab
14d9d5dad
1590e4a5d
hex6275215

103240213 has 2 divisors, whose sum is σ = 103240214. Its totient is φ = 103240212.

The previous prime is 103240187. The next prime is 103240229. The reversal of 103240213 is 312042301.

It is a happy number.

It is an a-pointer prime, because the next prime (103240229) can be obtained adding 103240213 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66552964 + 36687249 = 8158^2 + 6057^2 .

It is a cyclic number.

It is not a de Polignac number, because 103240213 - 29 = 103239701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103240273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51620106 + 51620107.

It is an arithmetic number, because the mean of its divisors is an integer number (51620107).

Almost surely, 2103240213 is an apocalyptic number.

It is an amenable number.

103240213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103240213 is an equidigital number, since it uses as much as digits as its factorization.

103240213 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 103240213 is about 10160.7191182514. The cubic root of 103240213 is about 469.1189363798.

Adding to 103240213 its reverse (312042301), we get a palindrome (415282514).

The spelling of 103240213 in words is "one hundred three million, two hundred forty thousand, two hundred thirteen".