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31344445104 = 243794919829
BaseRepresentation
bin11101001100010001…
…100100011010110000
32222220110002210100020
4131030101210122300
51003143134220404
622222140123440
72156513246610
oct351421443260
988813083306
1031344445104
1112325138595
1260a9236580
132c56a91c4b
141734c18a40
15c36b97ed9
hex74c4646b0

31344445104 has 80 divisors (see below), whose sum is σ = 92559909120. Its totient is φ = 8953701120.

The previous prime is 31344445091. The next prime is 31344445127. The reversal of 31344445104 is 40154444313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184062 + ... + 3193890.

It is an arithmetic number, because the mean of its divisors is an integer number (1156998864).

Almost surely, 231344445104 is an apocalyptic number.

It is an amenable number.

31344445104 is an abundant number, since it is smaller than the sum of its proper divisors (61215464016).

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

31344445104 is a wasteful number, since it uses less digits than its factorization.

31344445104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19338 (or 19332 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 31344445104 its reverse (40154444313), we get a palindrome (71498889417).

The spelling of 31344445104 in words is "thirty-one billion, three hundred forty-four million, four hundred forty-five thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 9491 9829 18982 19658 28473 29487 37964 39316 56946 58974 66437 68803 75928 78632 113892 117948 132874 137606 151856 157264 199311 206409 227784 235896 265748 275212 398622 412818 455568 471792 531496 550424 797244 825636 1062992 1100848 1594488 1651272 3188976 3302544 93287039 186574078 279861117 373148156 559722234 653009273 746296312 1119444468 1306018546 1492592624 1959027819 2238888936 2612037092 3918055638 4477777872 5224074184 7836111276 10448148368 15672222552 31344445104