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311411161332 = 223329400124851
BaseRepresentation
bin1001000100000011000…
…11010011100011110100
31002202210210001002022000
410202001203103203310
520100232224130312
6355021005535300
731333026124305
oct4420143234364
91082723032260
10311411161332
11110083533747
125042ab74530
132349aca4b8b
14111028807ac
1581793b8adc
hex48818d38f4

311411161332 has 96 divisors (see below), whose sum is σ = 835444713600. Its totient is φ = 100195200000.

The previous prime is 311411161309. The next prime is 311411161351. The reversal of 311411161332 is 233161114113.

311411161332 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 1 + 11 + 613 + 32 = 666.

It is a super-2 number, since 2×3114111613322 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 311411161296 and 311411161305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12518707 + ... + 12543557.

It is an arithmetic number, because the mean of its divisors is an integer number (8702549100).

Almost surely, 2311411161332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311411161332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417722356800).

311411161332 is an abundant number, since it is smaller than the sum of its proper divisors (524033552268).

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

311411161332 is a wasteful number, since it uses less digits than its factorization.

311411161332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28894 (or 28886 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 311411161332 its reverse (233161114113), we get a palindrome (544572275445).

The spelling of 311411161332 in words is "three hundred eleven billion, four hundred eleven million, one hundred sixty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 87 108 116 174 261 348 522 783 1044 1566 3132 4001 8002 12003 16004 24006 24851 36009 48012 49702 72018 74553 99404 108027 116029 144036 149106 216054 223659 232058 298212 348087 432108 447318 464116 670977 696174 720679 894636 1044261 1341954 1392348 1441358 2088522 2162037 2683908 2882716 3132783 4177044 4324074 6265566 6486111 8648148 12531132 12972222 19458333 25944444 38916666 77833332 99428851 198857702 298286553 397715404 596573106 894859659 1193146212 1789719318 2684578977 2883436679 3579438636 5369157954 5766873358 8650310037 10738315908 11533746716 17300620074 25950930111 34601240148 51901860222 77852790333 103803720444 155705580666 311411161332