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2131233211310 = 257298315780567
BaseRepresentation
bin11111000000110111011…
…001100000001110101110
321112202002022021201110212
4133000313121200032232
5234404231200230220
64311024112102422
7306655642252460
oct37006731401656
97482068251425
102131233211310
1175193a64a915
122a5069834a12
13125c88a8ac28
147521ba52130
153a68923c0c5
hex1f0376603ae

2131233211310 has 128 divisors (see below), whose sum is σ = 4619369502720. Its totient is φ = 692563382784.

The previous prime is 2131233211307. The next prime is 2131233211319. The reversal of 2131233211310 is 131123321312.

It is a super-2 number, since 2×21312332113102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131233211319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26412647 + ... + 26493213.

It is an arithmetic number, because the mean of its divisors is an integer number (36088824240).

Almost surely, 22131233211310 is an apocalyptic number.

2131233211310 is an abundant number, since it is smaller than the sum of its proper divisors (2488136291410).

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

2131233211310 is a wasteful number, since it uses less digits than its factorization.

2131233211310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80850.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2131233211310 its reverse (131123321312), we get a palindrome (2262356532622).

The spelling of 2131233211310 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-three million, two hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 29 35 58 70 83 145 157 166 203 290 314 406 415 581 785 830 1015 1099 1162 1570 2030 2198 2407 2905 4553 4814 5495 5810 9106 10990 12035 13031 16849 22765 24070 26062 31871 33698 45530 63742 65155 80567 84245 91217 130310 159355 161134 168490 182434 318710 377899 402835 456085 563969 755798 805670 912170 1127938 1889495 2336443 2645293 2819845 3778990 4672886 5290586 5639690 6687061 11682215 12649019 13226465 13374122 16355101 23364430 25298038 26452930 32710202 33435305 46809427 63245095 66870610 81775505 88543133 93618854 126490190 163551010 177086266 193924769 234047135 366821551 387849538 442715665 468094270 733643102 885431330 969623845 1049868577 1357473383 1834107755 1939247690 2099737154 2567750857 2714946766 3668215510 5135501714 5249342885 6787366915 7349080039 10498685770 12838754285 13574733830 14698160078 25677508570 30446188733 36745400195 60892377466 73490800390 152230943665 213123321131 304461887330 426246642262 1065616605655 2131233211310