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131311103220160 = 2653137357756929
BaseRepresentation
bin11101110110110100111111…
…101010011001100111000000
3122012221012220120000202200021
4131312310333222121213000
5114202400114411021120
61143135253230103224
736441625356202333
oct3566647752314700
9565835816022607
10131311103220160
11389267a9549026
1212888b7a94ab14
135836778aa7386
14245d6c420661a
15102aa8314baaa
hex776d3fa999c0

131311103220160 has 112 divisors (see below), whose sum is σ = 331494709282560. Its totient is φ = 49456317726720.

The previous prime is 131311103220119. The next prime is 131311103220161. The reversal of 131311103220160 is 61022301113131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311103220161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178511425 + ... + 179245504.

Almost surely, 2131311103220160 is an apocalyptic number.

131311103220160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131311103220160 is an abundant number, since it is smaller than the sum of its proper divisors (200183606062400).

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

131311103220160 is a wasteful number, since it uses less digits than its factorization.

131311103220160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357757014 (or 357757004 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131311103220160 its reverse (61022301113131), we get a palindrome (192333404333291).

The spelling of 131311103220160 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred three million, two hundred twenty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 32 37 40 62 64 74 80 124 148 155 160 185 248 296 310 320 370 496 592 620 740 992 1147 1184 1240 1480 1984 2294 2368 2480 2960 4588 4960 5735 5920 9176 9920 11470 11840 18352 22940 36704 45880 73408 91760 183520 367040 357756929 715513858 1431027716 1788784645 2862055432 3577569290 5724110864 7155138580 11090464799 11448221728 13237006373 14310277160 22180929598 22896443456 26474012746 28620554320 44361859196 52948025492 55452323995 57241108640 66185031865 88723718392 105896050984 110904647990 114482217280 132370063730 177447436784 211792101968 221809295980 264740127460 354894873568 410347197563 423584203936 443618591960 529480254920 709789747136 820694395126 847168407872 887237183920 1058960509840 1641388790252 1774474367840 2051735987815 2117921019680 3282777580504 3548948735680 4103471975630 4235842039360 6565555161008 8206943951260 13131110322016 16413887902520 26262220644032 32827775805040 65655551610080 131311103220160