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31200032321230 = 253784324411679
BaseRepresentation
bin1110001100000010100101…
…10101111110111011001110
311002110200201220012221212011
413012001102311332323032
513042140131233234410
6150205032540331434
76400061612666233
oct706012265767316
9132420656187764
1031200032321230
119a3994a953603
1235ba937843b7a
1314541c5632636
1479c137cc978a
153918b774b18a
hex1c6052d7eece

31200032321230 has 16 divisors (see below), whose sum is σ = 57677897589120. Its totient is φ = 12142715281632.

The previous prime is 31200032321207. The next prime is 31200032321347. The reversal of 31200032321230 is 3212323000213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42162205470 + ... + 42162206209.

It is an arithmetic number, because the mean of its divisors is an integer number (3604868599320).

Almost surely, 231200032321230 is an apocalyptic number.

31200032321230 is a deficient number, since it is larger than the sum of its proper divisors (26477865267890).

31200032321230 is a wasteful number, since it uses less digits than its factorization.

31200032321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84324411723.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31200032321230 its reverse (3212323000213), we get a palindrome (34412355321443).

The spelling of 31200032321230 in words is "thirty-one trillion, two hundred billion, thirty-two million, three hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 84324411679 168648823358 421622058395 843244116790 3120003232123 6240006464246 15600016160615 31200032321230