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23031313130000 = 24547329018759
BaseRepresentation
bin1010011110010011001010…
…01111001110001000010000
310000112202211210220121012102
411033021211033032020100
511004321112130130000
6120552234510415532
74564646260342130
oct517114517161020
9100482753817172
1023031313130000
11737a58592284a
1226bb7582015a8
13cb0ac7260116
14598a15b3aac0
1529e16d6393d5
hex14f2653ce210

23031313130000 has 100 divisors (see below), whose sum is σ = 63726985586880. Its totient is φ = 7896450192000.

The previous prime is 23031313129973. The next prime is 23031313130027. The reversal of 23031313130000 is 3131313032.

It is an interprime number because it is at equal distance from previous prime (23031313129973) and next prime (23031313130027).

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×230313131300002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164439380 + ... + 164579379.

Almost surely, 223031313130000 is an apocalyptic number.

23031313130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031313130000 is an abundant number, since it is smaller than the sum of its proper divisors (40695672456880).

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

23031313130000 is an equidigital number, since it uses as much as digits as its factorization.

23031313130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329018794 (or 329018773 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 23031313130000 its reverse (3131313032), we get a palindrome (23034444443032).

The spelling of 23031313130000 in words is "twenty-three trillion, thirty-one billion, three hundred thirteen million, one hundred thirty thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 625 700 875 1000 1250 1400 1750 2000 2500 2800 3500 4375 5000 7000 8750 10000 14000 17500 35000 70000 329018759 658037518 1316075036 1645093795 2303131313 2632150072 3290187590 4606262626 5264300144 6580375180 8225468975 9212525252 11515656565 13160750360 16450937950 18425050504 23031313130 26321500720 32901875900 36850101008 41127344875 46062626260 57578282825 65803751800 82254689750 92125252520 115156565650 131607503600 164509379500 184250505040 205636724375 230313131300 287891414125 329018759000 411273448750 460626262600 575782828250 658037518000 822546897500 921252525200 1151565656500 1439457070625 1645093795000 2303131313000 2878914141250 3290187590000 4606262626000 5757828282500 11515656565000 23031313130000