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30331323211 = 717312416469
BaseRepresentation
bin11100001111111000…
…110100001101001011
32220021211201212101011
4130033320310031023
5444104304320321
621533425304351
72122431664510
oct341770641513
986254655334
1030331323211
1111955272072
125a65a950b7
132b24c0c237
14167a453307
15bc7c73ae1
hex70fe3434b

30331323211 has 48 divisors (see below), whose sum is σ = 38856646080. Its totient is φ = 23098521600.

The previous prime is 30331323203. The next prime is 30331323223. The reversal of 30331323211 is 11232313303.

It is not a de Polignac number, because 30331323211 - 23 = 30331323203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30331323251) 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 47 ways as a sum of consecutive naturals, for example, 4685485 + ... + 4691953.

It is an arithmetic number, because the mean of its divisors is an integer number (809513460).

Almost surely, 230331323211 is an apocalyptic number.

30331323211 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30331323211 is a deficient number, since it is larger than the sum of its proper divisors (8525322869).

30331323211 is a wasteful number, since it uses less digits than its factorization.

30331323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30331323211 its reverse (11232313303), we get a palindrome (41563636514).

The spelling of 30331323211 in words is "thirty billion, three hundred thirty-one million, three hundred twenty-three thousand, two hundred eleven".

Divisors: 1 7 17 31 41 119 217 287 527 697 961 1271 3689 4879 6469 6727 8897 16337 21607 39401 45283 109973 114359 151249 200539 265229 275807 669817 769811 1403773 1856603 3409163 4508893 4688719 6216709 8222099 23864141 31562251 43516963 57554693 105684053 139775683 254885069 739788371 978429781 1784195483 4333046173 30331323211