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31200013334 = 273179727581
BaseRepresentation
bin11101000011101010…
…100110110000010110
32222112101022220012102
4131003222212300112
51002344200411314
622155540322102
72153110511000
oct350352466026
988471286172
1031200013334
1112260659896
1260689a3332
132c32b92669
14171d97d370
15c291685de
hex743aa6c16

31200013334 has 64 divisors (see below), whose sum is σ = 58385577600. Its totient is φ = 12454686720.

The previous prime is 31200013321. The next prime is 31200013349. The reversal of 31200013334 is 43331000213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117424 + ... + 1145004.

It is an arithmetic number, because the mean of its divisors is an integer number (912274650).

Almost surely, 231200013334 is an apocalyptic number.

31200013334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31200013334 is a deficient number, since it is larger than the sum of its proper divisors (27185564266).

31200013334 is a wasteful number, since it uses less digits than its factorization.

31200013334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27718 (or 27704 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31200013334 its reverse (43331000213), we get a palindrome (74531013547).

The spelling of 31200013334 in words is "thirty-one billion, two hundred million, thirteen thousand, three hundred thirty-four".

Divisors: 1 2 7 14 17 34 49 97 98 119 194 238 343 679 686 833 1358 1649 1666 3298 4753 5831 9506 11543 11662 23086 27581 33271 55162 66542 80801 161602 193067 386134 468877 565607 937754 1131214 1351469 2675357 2702938 3282139 5350714 6564278 9460283 18727499 18920566 22974973 37454998 45481069 45949946 90962138 131092493 160824811 262184986 318367483 321649622 636734966 917647451 1835294902 2228572381 4457144762 15600006667 31200013334