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2131323233310 = 23453771115223
BaseRepresentation
bin11111000000111100110…
…000111010010000011110
321112202022120200022110000
4133000330300322100132
5234404422221431220
64311041045355130
7306661114366335
oct37007460722036
97482276608400
102131323233310
11751986446767
122a5093a08aa6
13125ca1619b9b
14752299a6d1c
153a6920c0390
hex1f03cc3a41e

2131323233310 has 80 divisors (see below), whose sum is σ = 5885780399136. Its totient is φ = 552991966272.

The previous prime is 2131323233297. The next prime is 2131323233311. The reversal of 2131323233310 is 133323231312.

2131323233310 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 3 + 2 + 323 + 331 + 0 = 666.

It is a super-2 number, since 2×21313232333102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131323233311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35527642 + ... + 35587581.

Almost surely, 22131323233310 is an apocalyptic number.

2131323233310 is an abundant number, since it is smaller than the sum of its proper divisors (3754457165826).

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

2131323233310 is a wasteful number, since it uses less digits than its factorization.

2131323233310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71115279 (or 71115270 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 2131323233310 its reverse (133323231312), we get a palindrome (2264646464622).

The spelling of 2131323233310 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred thirty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 37 45 54 74 81 90 111 135 162 185 222 270 333 370 405 555 666 810 999 1110 1665 1998 2997 3330 4995 5994 9990 14985 29970 71115223 142230446 213345669 355576115 426691338 640037007 711152230 1066728345 1280074014 1920111021 2133456690 2631263251 3200185035 3840222042 5262526502 5760333063 6400370070 7893789753 9600555105 11520666126 13156316255 15787579506 19201110210 23681369259 26312632510 28801665315 39468948765 47362738518 57603330630 71044107777 78937897530 118406846295 142088215554 213132323331 236813692590 355220538885 426264646662 710441077770 1065661616655 2131323233310