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31004112203444 = 22312149263205823
BaseRepresentation
bin1110000110010101101010…
…00110000010111010110100
311001202222000212221202121102
413003022311012002322310
513030432410211002234
6145535031552305232
76346654542321452
oct703126506027264
9131688025852542
1031004112203444
119973852077296
12358897a542218
13143b8a1653763
1479286d9d39d2
1538b74c57ac7e
hex1c32b5182eb4

31004112203444 has 72 divisors (see below), whose sum is σ = 56655031910400. Its totient is φ = 14844574201920.

The previous prime is 31004112203429. The next prime is 31004112203497. The reversal of 31004112203444 is 44430221140013.

It is a super-2 number, since 2×310041122034442 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150531917 + ... + 150737739.

It is an arithmetic number, because the mean of its divisors is an integer number (786875443200).

Almost surely, 231004112203444 is an apocalyptic number.

It is an amenable number.

31004112203444 is a deficient number, since it is larger than the sum of its proper divisors (25650919706956).

31004112203444 is a wasteful number, since it uses less digits than its factorization.

31004112203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206301 (or 206268 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 31004112203444 its reverse (44430221140013), we get a palindrome (75434333343457).

The spelling of 31004112203444 in words is "thirty-one trillion, four billion, one hundred twelve million, two hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 31 62 124 149 263 298 526 596 961 1052 1922 3844 4619 8153 9238 16306 18476 32612 39187 78374 143189 156748 205823 252743 286378 411646 505486 572756 823292 1010972 1214797 2429594 4859188 6380513 12761026 25522052 30667627 37658707 54131449 61335254 75317414 108262898 122670508 150634828 197795903 216525796 395591806 791183612 950696437 1678074919 1901392874 3356149838 3802785748 6712299676 8065585901 16131171802 29471589547 32262343604 52020322489 58943179094 104040644978 117886358188 208081289956 250033162931 500066325862 1000132651724 7751028050861 15502056101722 31004112203444