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31200201101304 = 2333337861427529
BaseRepresentation
bin1110001100000010111001…
…11001110100111111111000
311002110201011122210212121000
413012001130321310333320
513042141002440220204
6150205101410045000
76400066032414354
oct706013471647770
9132421148725530
1031200201101304
119a39a27152574
1235ba984279760
1314542215a85c1
1479c1524a2464
153918c748a039
hex1c605ce74ff8

31200201101304 has 64 divisors (see below), whose sum is σ = 86667684516000. Its totient is φ = 10400011925760.

The previous prime is 31200201101299. The next prime is 31200201101309. The reversal of 31200201101304 is 40310110200213.

31200201101304 is a `hidden beast` number, since 31 + 200 + 20 + 110 + 1 + 304 = 666.

It is an interprime number because it is at equal distance from previous prime (31200201101299) and next prime (31200201101309).

It is a super-2 number, since 2×312002011013042 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200201101309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72764212 + ... + 73191740.

Almost surely, 231200201101304 is an apocalyptic number.

It is an amenable number.

31200201101304 is an abundant number, since it is smaller than the sum of its proper divisors (55467483414696).

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

31200201101304 is a wasteful number, since it uses less digits than its factorization.

31200201101304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765405 (or 765395 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31200201101304 its reverse (40310110200213), we get a palindrome (71510311301517).

The spelling of 31200201101304 in words is "thirty-one trillion, two hundred billion, two hundred one million, one hundred one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 337861 427529 675722 855058 1013583 1282587 1351444 1710116 2027166 2565174 2702888 3040749 3420232 3847761 4054332 5130348 6081498 7695522 8108664 9122247 10260696 11543283 12162996 15391044 18244494 23086566 24325992 30782088 36488988 46173132 72977976 92346264 144445375469 288890750938 433336126407 577781501876 866672252814 1155563003752 1300008379221 1733344505628 2600016758442 3466689011256 3900025137663 5200033516884 7800050275326 10400067033768 15600100550652 31200201101304