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30313201230 = 23251325908719
BaseRepresentation
bin11100001110110011…
…101011111001001110
32220020120122011200200
4130032303223321032
5444040134414410
621531541034330
72122121646654
oct341663537116
986216564620
1030313201230
1111946014824
125a5b9b59a6
132b21235880
141677c96dd4
15bc63943c0
hex70ecebe4e

30313201230 has 48 divisors (see below), whose sum is σ = 84876966720. Its totient is φ = 7461710784.

The previous prime is 30313201223. The next prime is 30313201277. The reversal of 30313201230 is 3210231303.

30313201230 is a `hidden beast` number, since 303 + 1 + 320 + 12 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12953190 + ... + 12955529.

It is an arithmetic number, because the mean of its divisors is an integer number (1768270140).

Almost surely, 230313201230 is an apocalyptic number.

30313201230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30313201230 is an abundant number, since it is smaller than the sum of its proper divisors (54563765490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30313201230 is a wasteful number, since it uses less digits than its factorization.

30313201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25908745 (or 25908742 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30313201230 its reverse (3210231303), we get a palindrome (33523432533).

The spelling of 30313201230 in words is "thirty billion, three hundred thirteen million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 25908719 51817438 77726157 129543595 155452314 233178471 259087190 336813347 388630785 466356942 673626694 777261570 1010440041 1165892355 1684066735 2020880082 2331784710 3031320123 3368133470 5052200205 6062640246 10104400410 15156600615 30313201230