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31320456452230 = 251110119732594391
BaseRepresentation
bin1110001111100010111001…
…01011100101100010000110
311002220012120110110122201011
413013301130223211202012
513101123243322432410
6150340230303352434
76411554052136201
oct707613453454206
9132805513418634
1031320456452230
119a85a27165610
12361a1455b271a
131462677659a9a
147a3cbd6b8938
15394ab4a8018a
hex1c7c5cae5886

31320456452230 has 128 divisors (see below), whose sum is σ = 62459577861120. Its totient is φ = 11213254080000.

The previous prime is 31320456452183. The next prime is 31320456452251. The reversal of 31320456452230 is 3225465402313.

It is a congruent number.

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, 7132873335 + ... + 7132877725.

It is an arithmetic number, because the mean of its divisors is an integer number (487965452040).

Almost surely, 231320456452230 is an apocalyptic number.

31320456452230 is a deficient number, since it is larger than the sum of its proper divisors (31139121408890).

31320456452230 is a wasteful number, since it uses less digits than its factorization.

31320456452230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 31320456452230 in words is "thirty-one trillion, three hundred twenty billion, four hundred fifty-six million, four hundred fifty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 101 110 197 202 394 505 985 1010 1111 1970 2167 2222 3259 4334 4391 5555 6518 8782 10835 11110 16295 19897 21670 21955 32590 35849 39794 43910 48301 71698 96602 99485 179245 198970 218867 241505 329159 358490 437734 443491 483010 642023 658318 865027 886982 1094335 1284046 1645795 1730054 2188670 2217455 3210115 3291590 3620749 4325135 4434910 4878401 6420230 7062253 7241498 8650270 9515297 9756802 14124506 14310269 18103745 19030594 24392005 28620538 35311265 36207490 47576485 48784010 64844323 70622530 71551345 87367727 95152970 129688646 143102690 157412959 174735454 314825918 324221615 436838635 648443230 713287553 787064795 873677270 961044997 1426575106 1445337169 1574129590 1922089994 2819122993 2890674338 3566437765 4805224985 5638245986 7132875530 7226685845 9610449970 14095614965 14453371690 15898708859 28191229930 31010352923 31797417718 62020705846 79493544295 155051764615 158987088590 284731422293 310103529230 569462844586 1423657111465 2847314222930 3132045645223 6264091290446 15660228226115 31320456452230