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31304600640313 = 71113172963434741
BaseRepresentation
bin1110001111000101010111…
…00110011101101100111001
311002211200122102221221202221
413013202223212131230321
513100343310230442223
6150325045054324041
76410453121021250
oct707425346355471
9132750572857687
1031304600640313
119a7a22aa52420
12361705b4b9621
13146101b719260
147a321795b797
15394487a6bb5d
hex1c78ab99db39

31304600640313 has 64 divisors (see below), whose sum is σ = 46038398353920. Its totient is φ = 20461509734400.

The previous prime is 31304600640281. The next prime is 31304600640343.

31304600640313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31304600640313 - 25 = 31304600640281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31304600640343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31223878 + ... + 32210863.

It is an arithmetic number, because the mean of its divisors is an integer number (719349974280).

Almost surely, 231304600640313 is an apocalyptic number.

It is an amenable number.

31304600640313 is a deficient number, since it is larger than the sum of its proper divisors (14733797713607).

31304600640313 is a wasteful number, since it uses less digits than its factorization.

31304600640313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63434818.

The product of its (nonzero) digits is 46656, while the sum is 34.

It can be divided in two parts, 31304600 and 640313, that added together give a palindrome (31944913).

The spelling of 31304600640313 in words is "thirty-one trillion, three hundred four billion, six hundred million, six hundred forty thousand, three hundred thirteen".

Divisors: 1 7 11 13 17 29 77 91 119 143 187 203 221 319 377 493 1001 1309 1547 2233 2431 2639 3451 4147 5423 6409 17017 29029 37961 44863 70499 493493 63434741 444043187 697782151 824651633 1078390597 1839607489 4884475057 5772561431 7548734179 9071167963 11862296567 12877252423 14019077761 20235682379 23914897357 31273327313 63498175741 83036075969 98133544327 141649776653 154209855371 167404281499 218913291191 263063870927 344006600443 406553255069 1079468987597 1841447096489 2408046203101 2845872785483 4472085805759 31304600640313