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131343203310440 = 235112626311366077
BaseRepresentation
bin11101110111010010111000…
…111110100001101101101000
3122020001021202200000022022212
4131313102320332201231220
5114203411340021413230
61143202122402304252
736444143006362352
oct3567227076415550
9566037680008285
10131343203310440
1138939381181a60
1212893239058088
1358397c328c434
14246108b5220d2
15102b811309895
hex7774b8fa1b68

131343203310440 has 64 divisors (see below), whose sum is σ = 322400166399360. Its totient is φ = 47759342065920.

The previous prime is 131343203310391. The next prime is 131343203310491. The reversal of 131343203310440 is 44013302343131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131343203310397 and 131343203310406.

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, 5872682 + ... + 17238758.

It is an arithmetic number, because the mean of its divisors is an integer number (5037502599990).

Almost surely, 2131343203310440 is an apocalyptic number.

131343203310440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131343203310440 is an abundant number, since it is smaller than the sum of its proper divisors (191056963088920).

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

131343203310440 is a wasteful number, since it uses less digits than its factorization.

131343203310440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11392362 (or 11392358 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 131343203310440 its reverse (44013302343131), we get a palindrome (175356505653571).

The spelling of 131343203310440 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred three million, three hundred ten thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 26263 52526 105052 131315 210104 262630 288893 525260 577786 1050520 1155572 1444465 2311144 2888930 5777860 11366077 11555720 22732154 45464308 56830385 90928616 113660770 125026847 227321540 250053694 454643080 500107388 625134235 1000214776 1250268470 2500536940 5001073880 298507280251 597014560502 1194029121004 1492536401255 2388058242008 2985072802510 3283580082761 5970145605020 6567160165522 11940291210040 13134320331044 16417900413805 26268640662088 32835800827610 65671601655220 131343203310440