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31233315030232 = 237975749873901
BaseRepresentation
bin1110001101000000100101…
…01001011100010011011000
311002120212122102111202102011
413012200102221130103120
513043211312121431412
6150232215320315304
76402350443233250
oct706402251342330
9132525572452364
1031233315030232
119a51a7a0a1487
123605286012b34
13145739ab346a3
1479d9b42cc960
153926b465e7a7
hex1c6812a5c4d8

31233315030232 has 32 divisors (see below), whose sum is σ = 67618517087520. Its totient is φ = 13247709465600.

The previous prime is 31233315030217. The next prime is 31233315030241. The reversal of 31233315030232 is 23203051333213.

It is a junction number, because it is equal to n+sod(n) for n = 31233315030194 and 31233315030203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874931519 + ... + 2874942382.

It is an arithmetic number, because the mean of its divisors is an integer number (2113078658985).

Almost surely, 231233315030232 is an apocalyptic number.

It is an amenable number.

31233315030232 is an abundant number, since it is smaller than the sum of its proper divisors (36385202057288).

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

31233315030232 is a wasteful number, since it uses less digits than its factorization.

31233315030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749874011 (or 5749874007 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 31233315030232 its reverse (23203051333213), we get a palindrome (54436366363445).

The spelling of 31233315030232 in words is "thirty-one trillion, two hundred thirty-three billion, three hundred fifteen million, thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 97 194 388 679 776 1358 2716 5432 5749873901 11499747802 22999495604 40249117307 45998991208 80498234614 160996469228 321992938456 557737768397 1115475536794 2230951073588 3904164378779 4461902147176 7808328757558 15616657515116 31233315030232