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31243332134410 = 2511173208727701
BaseRepresentation
bin1110001101010011001111…
…01101101010011000001010
311002121211111112110101001121
413012221213231222120022
513043342321011300120
6150240553313505454
76403153616223514
oct706514755523012
9132554445411047
1031243332134410
119a5624a529080
12360720087228a
131458306230176
147a0284824bb4
15392a9dc9a5aa
hex1c6a67b6a60a

31243332134410 has 128 divisors (see below), whose sum is σ = 65217759275520. Its totient is φ = 10687395712000.

The previous prime is 31243332134351. The next prime is 31243332134449. The reversal of 31243332134410 is 1443123334213.

It is a super-2 number, since 2×312433321344102 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1127863560 + ... + 1127891260.

It is an arithmetic number, because the mean of its divisors is an integer number (509513744340).

Almost surely, 231243332134410 is an apocalyptic number.

31243332134410 is an abundant number, since it is smaller than the sum of its proper divisors (33974427141110).

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

31243332134410 is a wasteful number, since it uses less digits than its factorization.

31243332134410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29857 (or 29823 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 31243332134410 its reverse (1443123334213), we get a palindrome (32686455468623).

The spelling of 31243332134410 in words is "thirty-one trillion, two hundred forty-three billion, three hundred thirty-two million, one hundred thirty-four thousand, four hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 289 374 578 935 1445 1870 2087 2890 3179 4174 4913 6358 9826 10435 15895 20870 22957 24565 27701 31790 35479 45914 49130 54043 55402 70958 108086 114785 138505 177395 229570 270215 277010 304711 354790 390269 470917 540430 603143 609422 780538 941834 1206286 1523555 1951345 2354585 3015715 3047110 3902690 4709170 5180087 6031430 6634573 8005589 10253431 10360174 13269146 16011178 20506862 25900435 33172865 40027945 51267155 51800870 57811987 66345730 80055890 88061479 102534310 112787741 115623974 136095013 176122958 225575482 272190026 289059935 440307395 563938705 578119870 635931857 680475065 880614790 982803779 1127877410 1271863714 1360950130 1497045143 1965607558 2994090286 3179659285 4914018895 6359318570 7485225715 9828037790 10810841569 14970451430 16707664243 21621683138 33415328486 54054207845 83538321215 108108415690 167076642430 183784306673 284030292131 367568613346 568060584262 918921533365 1420151460655 1837843066730 2840302921310 3124333213441 6248666426882 15621666067205 31243332134410