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30231344241 = 327268551801
BaseRepresentation
bin11100001001111011…
…011011010001110001
32220000212121102000100
4130021323123101301
5443403211003431
621515454343013
72120106120600
oct341173332161
986025542010
1030231344241
111190389541a
125a384baa69
132b0a2a5197
14166b069a37
15bbe0c54e6
hex709edb471

30231344241 has 18 divisors (see below), whose sum is σ = 50796885282. Its totient is φ = 17275053600.

The previous prime is 30231344237. The next prime is 30231344249. The reversal of 30231344241 is 14244313203.

30231344241 is a `hidden beast` number, since 3 + 0 + 231 + 3 + 4 + 424 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30197750625 + 33593616 = 173775^2 + 5796^2 .

It is not a de Polignac number, because 30231344241 - 22 = 30231344237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30231344249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34275460 + ... + 34276341.

Almost surely, 230231344241 is an apocalyptic number.

It is an amenable number.

30231344241 is a deficient number, since it is larger than the sum of its proper divisors (20565541041).

30231344241 is a wasteful number, since it uses less digits than its factorization.

30231344241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68551821 (or 68551811 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30231344241 its reverse (14244313203), we get a palindrome (44475657444).

The spelling of 30231344241 in words is "thirty billion, two hundred thirty-one million, three hundred forty-four thousand, two hundred forty-one".

Divisors: 1 3 7 9 21 49 63 147 441 68551801 205655403 479862607 616966209 1439587821 3359038249 4318763463 10077114747 30231344241