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131122303320 = 23353135247931
BaseRepresentation
bin111101000011101111…
…1111001000101011000
3110112110010202011100110
41322013133321011120
54122014302201240
6140123050004320
712321222121461
oct1720737710530
9415403664313
10131122303320
1150677138238
12214b47166a0
13c498564138
1464bc571d68
153626652c80
hex1e877f9158

131122303320 has 64 divisors (see below), whose sum is σ = 406056176640. Its totient is φ = 33838012800.

The previous prime is 131122303241. The next prime is 131122303343. The reversal of 131122303320 is 23303221131.

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, 17620246 + ... + 17627685.

It is an arithmetic number, because the mean of its divisors is an integer number (6344627760).

Almost surely, 2131122303320 is an apocalyptic number.

131122303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131122303320 is an abundant number, since it is smaller than the sum of its proper divisors (274933873320).

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

131122303320 is a wasteful number, since it uses less digits than its factorization.

131122303320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35247976 (or 35247972 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131122303320 its reverse (23303221131), we get a palindrome (154425524451).

The spelling of 131122303320 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 35247931 70495862 105743793 140991724 176239655 211487586 281983448 352479310 422975172 528718965 704958620 845950344 1057437930 1092685861 1409917240 2114875860 2185371722 3278057583 4229751720 4370743444 5463429305 6556115166 8741486888 10926858610 13112230332 16390287915 21853717220 26224460664 32780575830 43707434440 65561151660 131122303320