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30311323112013 = 3171873543758363
BaseRepresentation
bin1101110010001011001111…
…01001011001001001001101
310222022201211020001110211020
412321011213221121021031
512433110042204041023
6144244455105544353
76245630562234126
oct671054751311115
9128281736043736
1030311323112013
119726a61755a69
1234966549450b9
1313bb4650c6028
1476b10c26b04d
1537870159dde3
hex1b9167a5924d

30311323112013 has 32 divisors (see below), whose sum is σ = 42823911712896. Its totient is φ = 19004893360128.

The previous prime is 30311323111981. The next prime is 30311323112029. The reversal of 30311323112013 is 31021132311303.

It is not a de Polignac number, because 30311323112013 - 25 = 30311323111981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311323117013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519329370 + ... + 519387732.

It is an arithmetic number, because the mean of its divisors is an integer number (1338247241028).

Almost surely, 230311323112013 is an apocalyptic number.

It is an amenable number.

30311323112013 is a deficient number, since it is larger than the sum of its proper divisors (12512588600883).

30311323112013 is a wasteful number, since it uses less digits than its factorization.

30311323112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65693.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 30311323112013 its reverse (31021132311303), we get a palindrome (61332455423316).

The spelling of 30311323112013 in words is "thirty trillion, three hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, thirteen".

Divisors: 1 3 17 51 1873 5437 5619 16311 31841 58363 92429 95523 175089 277287 992171 2976513 10183501 30550503 109313899 173119517 317319631 327941697 519358551 951958893 1858336283 5394433727 5575008849 16183301181 594339668863 1783019006589 10103774370671 30311323112013