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30231111211312 = 24111511137534287
BaseRepresentation
bin1101101111110101110101…
…01001010001100100110000
310222001001210010012201201011
412313322322221101210300
512430301303432230222
6144143551502320304
76240061055311204
oct667727251214460
9128031703181634
1030231111211312
1196a5a40178840
123482ba9b89094
1313b3a210cb1ab
1476729d2d2b04
153765a96c4c77
hex1b7ebaa51930

30231111211312 has 40 divisors (see below), whose sum is σ = 64320738780672. Its totient is φ = 13650411432000.

The previous prime is 30231111211307. The next prime is 30231111211337. The reversal of 30231111211312 is 21311211113203.

It is a super-2 number, since 2×302311112113122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568740568 + ... + 568793719.

Almost surely, 230231111211312 is an apocalyptic number.

It is an amenable number.

30231111211312 is an abundant number, since it is smaller than the sum of its proper divisors (34089627569360).

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

30231111211312 is a wasteful number, since it uses less digits than its factorization.

30231111211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137534457 (or 1137534451 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 30231111211312 its reverse (21311211113203), we get a palindrome (51542322324515).

The spelling of 30231111211312 in words is "thirty trillion, two hundred thirty-one billion, one hundred eleven million, two hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 151 176 302 604 1208 1661 2416 3322 6644 13288 26576 1137534287 2275068574 4550137148 9100274296 12512877157 18200548592 25025754314 50051508628 100103017256 171767677337 200206034512 343535354674 687070709348 1374141418696 1889444450707 2748282837392 3778888901414 7557777802828 15115555605656 30231111211312