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31113102301100 = 225217132113854523
BaseRepresentation
bin1110001001100000101010…
…11010010001011110101100
311002011101100121001101101222
413010300111122101132230
513034224113142113400
6150101054544322512
76360563452006301
oct704602532213654
9132141317041358
1031113102301100
119a05aa114a866
1235a5b17013438
131448c508571c1
14797c4ca0d0a8
1538e4cab88185
hex1c4c156917ac

31113102301100 has 72 divisors (see below), whose sum is σ = 71541048923568. Its totient is φ = 11704300185600.

The previous prime is 31113102301079. The next prime is 31113102301109. The reversal of 31113102301100 is 110320131113.

It is a super-2 number, since 2×311131023011002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (31113102301109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4681562 + ... + 9172961.

It is an arithmetic number, because the mean of its divisors is an integer number (993625679494).

Almost surely, 231113102301100 is an apocalyptic number.

It is an amenable number.

31113102301100 is an abundant number, since it is smaller than the sum of its proper divisors (40427946622468).

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

31113102301100 is a wasteful number, since it uses less digits than its factorization.

31113102301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855875 (or 13855868 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31113102301100 its reverse (110320131113), we get a palindrome (31223422432213).

The spelling of 31113102301100 in words is "thirty-one trillion, one hundred thirteen billion, one hundred two million, three hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1321 1700 2642 5284 6605 13210 22457 26420 33025 44914 66050 89828 112285 132100 224570 449140 561425 1122850 2245700 13854523 27709046 55418092 69272615 138545230 235526891 277090460 346363075 471053782 692726150 942107564 1177634455 1385452300 2355268910 4710537820 5888172275 11776344550 18301824883 23552689100 36603649766 73207299532 91509124415 183018248830 311131023011 366036497660 457545622075 622262046022 915091244150 1244524092044 1555655115055 1830182488300 3111310230110 6222620460220 7778275575275 15556551150550 31113102301100