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3123131232130 = 2571317821245899
BaseRepresentation
bin101101011100101001001…
…000001010111110000010
3102001120100101101221220221
4231130221020022332002
5402132133043412010
610350425141053254
7441432050314120
oct55345110127602
912046311357827
103123131232130
11aa4570184948
1242534a3b722a
13198682659040
14ab236046910
155638e561dda
hex2d72920af82

3123131232130 has 128 divisors (see below), whose sum is σ = 7334886182400. Its totient is φ = 929140346880.

The previous prime is 3123131232121. The next prime is 3123131232139. The reversal of 3123131232130 is 312321313213.

It is an interprime number because it is at equal distance from previous prime (3123131232121) and next prime (3123131232139).

It is a junction number, because it is equal to n+sod(n) for n = 3123131232095 and 3123131232104.

It is not an unprimeable number, because it can be changed into a prime (3123131232139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12577921 + ... + 12823819.

It is an arithmetic number, because the mean of its divisors is an integer number (57303798300).

Almost surely, 23123131232130 is an apocalyptic number.

3123131232130 is an abundant number, since it is smaller than the sum of its proper divisors (4211754950270).

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

3123131232130 is a wasteful number, since it uses less digits than its factorization.

3123131232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246764.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3123131232130 its reverse (312321313213), we get a palindrome (3435452545343).

The spelling of 3123131232130 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 17 26 34 35 65 70 85 91 119 130 170 182 221 238 442 455 595 821 910 1105 1190 1547 1642 2210 3094 4105 5747 7735 8210 10673 11494 13957 15470 21346 27914 28735 53365 57470 69785 74711 97699 106730 139570 149422 181441 195398 245899 362882 373555 488495 491798 747110 907205 976990 1229495 1270087 1721293 1814410 2458990 2540174 3196687 3442586 4180283 6350435 6393374 8360566 8606465 12700870 15983435 17212930 20901415 22376809 29261981 31966870 41802830 44753618 54343679 58523962 108687358 111884045 146309905 201883079 223768090 271718395 292619810 380405753 403766158 543436790 760811506 1009415395 1413181553 1902028765 2018830790 2624480027 2826363106 3432012343 3804057530 5248960054 6864024686 7065907765 13122400135 14131815530 17160061715 18371360189 24024086401 26244800270 34320123430 36742720378 44616160459 48048172802 89232320918 91856800945 120120432005 183713601890 223080802295 240240864010 312313123213 446161604590 624626246426 1561565616065 3123131232130