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31100401422532 = 2213171069220314939
BaseRepresentation
bin1110001001001001000000…
…11000010001000011000100
311002010011120110002220102001
413010210200120101003010
513034022110231010112
6150051154400355044
76356633640221641
oct704444030210304
9132104513086361
1031100401422532
119a006738a9802
1235a3571615a84
1314479a8436440
147973a5ca8dc8
1538ded5b1ec57
hex1c49206110c4

31100401422532 has 96 divisors (see below), whose sum is σ = 62150488444800. Its totient is φ = 13490009229312.

The previous prime is 31100401422509. The next prime is 31100401422547. The reversal of 31100401422532 is 23522410400113.

It is a self number, because there is not a number n which added to its sum of digits gives 31100401422532.

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, 2081818719 + ... + 2081833657.

It is an arithmetic number, because the mean of its divisors is an integer number (647400921300).

Almost surely, 231100401422532 is an apocalyptic number.

It is an amenable number.

31100401422532 is a deficient number, since it is larger than the sum of its proper divisors (31050087022268).

31100401422532 is a wasteful number, since it uses less digits than its factorization.

31100401422532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18245 (or 18243 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 31100401422532 its reverse (23522410400113), we get a palindrome (54622811822645).

The spelling of 31100401422532 in words is "thirty-one trillion, one hundred billion, four hundred one million, four hundred twenty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 1069 2138 2203 4276 4406 8812 13897 14939 18173 27794 28639 29878 36346 37451 55588 57278 59756 72692 74902 114556 149804 194207 236249 253963 388414 472498 486863 507926 776828 944996 973726 1015852 1947452 2355007 3301519 4710014 6603038 9420028 13206076 15969791 30615091 31939582 32910617 40035119 61230182 63879164 65821234 80070238 122460364 131642468 160140476 207607283 271486447 415214566 427838021 520456547 542972894 559480489 830429132 855676042 1040913094 1085945788 1118960978 1711352084 2081826188 2237921956 3529323811 7058647622 7273246357 14117295244 14546492714 29092985428 35181449573 70362899146 140725798292 457358844449 598084642741 914717688898 1196169285482 1829435377796 2392338570964 7775100355633 15550200711266 31100401422532