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30103133 is a prime number
BaseRepresentation
bin111001011010…
…1011001011101
32002122101201212
41302311121131
530201300013
62553114205
7513605144
oct162653135
962571655
1030103133
1115aa0a25
12a0b8965
13630cc08
143dd875b
1529996a8
hex1cb565d

30103133 has 2 divisors, whose sum is σ = 30103134. Its totient is φ = 30103132.

The previous prime is 30103127. The next prime is 30103169. The reversal of 30103133 is 33130103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19166884 + 10936249 = 4378^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103133 - 222 = 25908829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30103103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051566 + 15051567.

It is an arithmetic number, because the mean of its divisors is an integer number (15051567).

Almost surely, 230103133 is an apocalyptic number.

It is an amenable number.

30103133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103133 is an equidigital number, since it uses as much as digits as its factorization.

30103133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 30103133 is about 5486.6322092883. The cubic root of 30103133 is about 311.0789080283.

Adding to 30103133 its reverse (33130103), we get a palindrome (63233236).

The spelling of 30103133 in words is "thirty million, one hundred three thousand, one hundred thirty-three".