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30103001 is a prime number
BaseRepresentation
bin111001011010…
…1010111011001
32002122101112222
41302311113121
530201244001
62553113425
7513604565
oct162652731
962571488
1030103001
1115aa0915
12a0b8875
13630cb36
143dd86a5
15299961b
hex1cb55d9

30103001 has 2 divisors, whose sum is σ = 30103002. Its totient is φ = 30103000.

The previous prime is 30102997. The next prime is 30103009. The reversal of 30103001 is 10030103.

It is an a-pointer prime, because the next prime (30103009) can be obtained adding 30103001 to its sum of digits (8).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18705625 + 11397376 = 4325^2 + 3376^2 .

It is an emirp because it is prime and its reverse (10030103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30103001 - 22 = 30102997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30103001.

It is not a weakly prime, because it can be changed into another prime (30103009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051500 + 15051501.

It is an arithmetic number, because the mean of its divisors is an integer number (15051501).

Almost surely, 230103001 is an apocalyptic number.

It is an amenable number.

30103001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103001 is an equidigital number, since it uses as much as digits as its factorization.

30103001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 30103001 is about 5486.6201800380. The cubic root of 30103001 is about 311.0784533416.

Adding to 30103001 its reverse (10030103), we get a palindrome (40133104).

The spelling of 30103001 in words is "thirty million, one hundred three thousand, one".