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10313031102120 = 23325171685135801
BaseRepresentation
bin1001011000010011000010…
…0011100010111010101000
31100111220201212110212010100
42112010300203202322220
52322432041430231440
633533424023545400
72113043344663215
oct226046043427250
940456655425110
1010313031102120
1133168062191aa
1211a68992bb260
1359a68c928636
14279220bb4b0c
1512d3eb649230
hex961308e2ea8

10313031102120 has 96 divisors (see below), whose sum is σ = 35488959990120. Its totient is φ = 2588368588800.

The previous prime is 10313031102097. The next prime is 10313031102163. The reversal of 10313031102120 is 2120113031301.

10313031102120 is a `hidden beast` number, since 1 + 0 + 313 + 0 + 311 + 0 + 21 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6719739324516 + 3593291777604 = 2592246^2 + 1895598^2 .

It is a super-2 number, since 2×103130311021202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10313031102093 and 10313031102102.

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, 842561781 + ... + 842574020.

Almost surely, 210313031102120 is an apocalyptic number.

10313031102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10313031102120 is an abundant number, since it is smaller than the sum of its proper divisors (25175928888000).

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

10313031102120 is a wasteful number, since it uses less digits than its factorization.

10313031102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685135835 (or 1685135828 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10313031102120 its reverse (2120113031301), we get a palindrome (12433144133421).

The spelling of 10313031102120 in words is "ten trillion, three hundred thirteen billion, thirty-one million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 34 36 40 45 51 60 68 72 85 90 102 120 136 153 170 180 204 255 306 340 360 408 510 612 680 765 1020 1224 1530 2040 3060 6120 1685135801 3370271602 5055407403 6740543204 8425679005 10110814806 13481086408 15166222209 16851358010 20221629612 25277037015 28647308617 30332444418 33702716020 40443259224 50554074030 57294617234 60664888836 67405432040 75831111045 85941925851 101108148060 114589234468 121329777672 143236543085 151662222090 171883851702 202216296120 229178468936 257825777553 286473086170 303324444180 343767703404 429709629255 515651555106 572946172340 606648888360 687535406808 859419258510 1031303110212 1145892344680 1289128887765 1718838517020 2062606220424 2578257775530 3437677034040 5156515551060 10313031102120