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31200034322130 = 23516310336176549
BaseRepresentation
bin1110001100000010100101…
…11101100111011011010010
311002110200202000222121120120
413012001102331213123102
513042140132241302010
6150205033051251110
76400061636001612
oct706012275473322
9132420660877516
1031200034322130
119a39950a9a943
1235ba938449a96
1314541c5b832bb
1479c13828aa42
153918b79e3e70
hex1c6052f676d2

31200034322130 has 64 divisors (see below), whose sum is σ = 75412414281600. Its totient is φ = 8260960006656.

The previous prime is 31200034322099. The next prime is 31200034322179. The reversal of 31200034322130 is 3122343000213.

It is a self number, because there is not a number n which added to its sum of digits gives 31200034322130.

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 31 ways as a sum of consecutive naturals, for example, 1963096 + ... + 8139644.

It is an arithmetic number, because the mean of its divisors is an integer number (1178318973150).

Almost surely, 231200034322130 is an apocalyptic number.

31200034322130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31200034322130 is an abundant number, since it is smaller than the sum of its proper divisors (44212379959470).

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

31200034322130 is a wasteful number, since it uses less digits than its factorization.

31200034322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177755.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31200034322130 its reverse (3122343000213), we get a palindrome (34322377322343).

The spelling of 31200034322130 in words is "thirty-one trillion, two hundred billion, thirty-four million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 163 326 489 815 978 1033 1630 2066 2445 3099 4890 5165 6198 10330 15495 30990 168379 336758 505137 841895 1010274 1683790 2525685 5051370 6176549 12353098 18529647 30882745 37059294 61765490 92648235 185296470 1006777487 2013554974 3020332461 5033887435 6040664922 6380375117 10067774870 12760750234 15101662305 19141125351 30203324610 31901875585 38282250702 63803751170 95705626755 191411253510 1040001144071 2080002288142 3120003432213 5200005720355 6240006864426 10400011440710 15600017161065 31200034322130