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31332130103100 = 22352611712138257
BaseRepresentation
bin1110001111111000101000…
…11111000001111100111100
311002221022201000111120012210
413013330110133001330330
513101321200301244400
6150345440514300420
76412446251421561
oct707742437017474
9132838630446183
1031332130103100
119a8a977686262
123620462b87710
1314637b7cc94c8
147a46a9c24868
15395049839950
hex1c7f147c1f3c

31332130103100 has 72 divisors (see below), whose sum is σ = 92140432492528. Its totient is φ = 8218263628800.

The previous prime is 31332130103089. The next prime is 31332130103167. The reversal of 31332130103100 is 130103123313.

It is a super-3 number, since 3×313321301031003 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 856050829 + ... + 856087428.

Almost surely, 231332130103100 is an apocalyptic number.

31332130103100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31332130103100 is an abundant number, since it is smaller than the sum of its proper divisors (60808302389428).

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

31332130103100 is a wasteful number, since it uses less digits than its factorization.

31332130103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712138335 (or 1712138328 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31332130103100 its reverse (130103123313), we get a palindrome (31462233226413).

The spelling of 31332130103100 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred thirty million, one hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 61 75 100 122 150 183 244 300 305 366 610 732 915 1220 1525 1830 3050 3660 4575 6100 9150 18300 1712138257 3424276514 5136414771 6848553028 8560691285 10272829542 17121382570 20545659084 25682073855 34242765140 42803456425 51364147710 85606912850 102728295420 104440433677 128410369275 171213825700 208880867354 256820738550 313321301031 417761734708 513641477100 522202168385 626642602062 1044404336770 1253285204124 1566606505155 2088808673540 2611010841925 3133213010310 5222021683850 6266426020620 7833032525775 10444043367700 15666065051550 31332130103100