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131123132113320 = 233251412232579119
BaseRepresentation
bin11101110100000101111011…
…101101100010000110101000
3122012021020201112020011111100
4131310011323231202012220
5114141310133310111240
61142513045121001400
736422222310150564
oct3564057355420650
9565236645204440
10131123132113320
113886400a783346
121285865b783260
135821b208c7c79
1424545719046a4
151025c30c53e30
hex77417bb621a8

131123132113320 has 96 divisors (see below), whose sum is σ = 426153362169600. Its totient is φ = 34965907410816.

The previous prime is 131123132113319. The next prime is 131123132113349. The reversal of 131123132113320 is 23311231321131.

131123132113320 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 2 + 3 + 1 + 321 + 1 + 332 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49550721 + ... + 52129839.

It is an arithmetic number, because the mean of its divisors is an integer number (4439097522600).

Almost surely, 2131123132113320 is an apocalyptic number.

131123132113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131123132113320 is an abundant number, since it is smaller than the sum of its proper divisors (295030230056280).

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

131123132113320 is a wasteful number, since it uses less digits than its factorization.

131123132113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720359 (or 2720352 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 131123132113320 its reverse (23311231321131), we get a palindrome (154434363434451).

The spelling of 131123132113320 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, one hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 141223 282446 423669 564892 706115 847338 1129784 1271007 1412230 1694676 2118345 2542014 2579119 2824460 3389352 4236690 5084028 5158238 5648920 6355035 7737357 8473380 10168056 10316476 12710070 12895595 15474714 16946760 20632952 23212071 25420140 25791190 30949428 38686785 46424142 50840280 51582380 61898856 77373570 92848284 103164760 116060355 154747140 185696568 232120710 309494280 464241420 928482840 364230922537 728461845074 1092692767611 1456923690148 1821154612685 2185385535222 2913847380296 3278078302833 3642309225370 4370771070444 5463463838055 6556156605666 7284618450740 8741542140888 10926927676110 13112313211332 14569236901480 16390391514165 21853855352220 26224626422664 32780783028330 43707710704440 65561566056660 131123132113320