Search a number
-
+
30302310121 is a prime number
BaseRepresentation
bin11100001110001010…
…001000111011101001
32220012211010211220021
4130032022020323221
5444024342410441
621530511400441
72121630246316
oct341612107351
986184124807
1030302310121
111193a956106
125a58223121
132b1bbc1525
14167665dd0d
15bc54423d1
hex70e288ee9

30302310121 has 2 divisors, whose sum is σ = 30302310122. Its totient is φ = 30302310120.

The previous prime is 30302310107. The next prime is 30302310133. The reversal of 30302310121 is 12101320303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18888379225 + 11413930896 = 137435^2 + 106836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30302310121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30302310095 and 30302310104.

It is not a weakly prime, because it can be changed into another prime (30302311121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151155060 + 15151155061.

It is an arithmetic number, because the mean of its divisors is an integer number (15151155061).

Almost surely, 230302310121 is an apocalyptic number.

It is an amenable number.

30302310121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30302310121 is an equidigital number, since it uses as much as digits as its factorization.

30302310121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30302310121 its reverse (12101320303), we get a palindrome (42403630424).

The spelling of 30302310121 in words is "thirty billion, three hundred two million, three hundred ten thousand, one hundred twenty-one".