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30131211233230 = 2517269658893751
BaseRepresentation
bin1101101100111011110000…
…01001000110011111001110
310221200111220220210000201221
412312131320021012133032
512422132210033430410
6144030030511153554
76226623334435612
oct666357011063716
9127614826700657
1030131211233230
119667636249688
1234677698158ba
1313a749023c223
1476250366b342
15373bae1464da
hex1b67782467ce

30131211233230 has 32 divisors (see below), whose sum is σ = 57640025424960. Its totient is φ = 11301345600000.

The previous prime is 30131211233161. The next prime is 30131211233231. The reversal of 30131211233230 is 3233211213103.

It is a junction number, because it is equal to n+sod(n) for n = 30131211233195 and 30131211233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131211233231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329401146 + ... + 329492605.

It is an arithmetic number, because the mean of its divisors is an integer number (1801250794530).

Almost surely, 230131211233230 is an apocalyptic number.

30131211233230 is a deficient number, since it is larger than the sum of its proper divisors (27508814191730).

30131211233230 is a wasteful number, since it uses less digits than its factorization.

30131211233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658894044.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30131211233230 its reverse (3233211213103), we get a palindrome (33364422446333).

The spelling of 30131211233230 in words is "thirty trillion, one hundred thirty-one billion, two hundred eleven million, two hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 269 538 1345 2690 4573 9146 22865 45730 658893751 1317787502 3294468755 6588937510 11201193767 22402387534 56005968835 112011937670 177242419019 354484838038 886212095095 1772424190190 3013121123323 6026242246646 15065605616615 30131211233230