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312323131112312 = 231392203973313099
BaseRepresentation
bin100011100000011100110010…
…1010010001111101101111000
31111221211210121000012222021002
41013000321211102033231320
5311414100233031043222
63024131133215304132
7122533413225600245
oct10700714522175570
91457753530188232
10312323131112312
11905745502a1671
122b04239481b048
1310536c38bca2b8
14571a73d6145cc
1526193949eb392
hex11c0e6548fb78

312323131112312 has 64 divisors (see below), whose sum is σ = 590192277360000. Its totient is φ = 154939973986944.

The previous prime is 312323131112261. The next prime is 312323131112347. The reversal of 312323131112312 is 213211131323213.

It is a congruent number.

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, 23843273939 + ... + 23843287037.

It is an arithmetic number, because the mean of its divisors is an integer number (9221754333750).

Almost surely, 2312323131112312 is an apocalyptic number.

It is an amenable number.

312323131112312 is a deficient number, since it is larger than the sum of its proper divisors (277869146247688).

312323131112312 is a wasteful number, since it uses less digits than its factorization.

312323131112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25180 (or 25176 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

Adding to 312323131112312 its reverse (213211131323213), we get a palindrome (525534262435525).

The spelling of 312323131112312 in words is "three hundred twelve trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 139 278 556 1112 2203 4406 8812 9733 13099 17624 19466 26198 38932 52396 77864 104792 306217 612434 1224868 1352887 1820761 2449736 2705774 3641522 5411548 7283044 10823096 14566088 21441799 28857097 42883598 57714194 85767196 115428388 127492567 171534392 230856776 254985134 509970268 1019940536 2980410061 4011136483 5960820122 8022272966 11921640244 16044545932 17721466813 23843280488 32089091864 35442933626 70885867252 141771734504 280866125101 561732250202 1123464500404 2246929000808 39040391389039 78080782778078 156161565556156 312323131112312