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31304344340313 = 32113753909117737
BaseRepresentation
bin1110001111000100111000…
…10100110000011101011001
311002211122222120200120021100
413013202130110300131121
513100342244122342223
6150325003421102013
76410443556350032
oct707423424603531
9132748876616240
1031304344340313
119a7a109306440
123616ba96b7909
131460caa5ac155
147a31d18c1a89
153944702e1043
hex1c789c530759

31304344340313 has 96 divisors (see below), whose sum is σ = 51625709396352. Its totient is φ = 18108257356800.

The previous prime is 31304344340273. The next prime is 31304344340329.

31304344340313 is a `hidden beast` number, since 3 + 1 + 304 + 3 + 4 + 4 + 34 + 0 + 313 = 666.

31304344340313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31304344340313 - 26 = 31304344340249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31304344340413) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1764908781 + ... + 1764926517.

It is an arithmetic number, because the mean of its divisors is an integer number (537767806212).

Almost surely, 231304344340313 is an apocalyptic number.

31304344340313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31304344340313 is a deficient number, since it is larger than the sum of its proper divisors (20321365056039).

31304344340313 is a wasteful number, since it uses less digits than its factorization.

31304344340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26935 (or 26932 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

It can be divided in two parts, 3130434 and 4340313, that added together give a palindrome (7470747).

The spelling of 31304344340313 in words is "thirty-one trillion, three hundred four billion, three hundred forty-four million, three hundred forty thousand, three hundred thirteen".

Divisors: 1 3 9 11 33 37 53 99 111 159 333 407 477 583 1221 1749 1961 3663 5247 5883 9091 17649 17737 21571 27273 53211 64713 81819 100001 159633 194139 195107 300003 336367 481823 585321 656269 900009 940061 1009101 1445469 1755963 1968807 2820183 3027303 3700037 4336407 5300053 5906421 7218959 8460549 10340671 11100111 15900159 17827451 21656877 31022013 33300333 34782257 47700477 53482353 64970631 93066039 104346771 160447059 161247067 196101961 313040313 382604827 483741201 588305883 1147814481 1451223603 1764917649 1773717737 3443443443 5321153211 5966141479 8546094551 15963459633 17898424437 25638283653 53695273311 65627556269 76914850959 94007040061 196882668807 282021120183 316205498387 590648006421 846063360549 948616495161 2845849485483 3478260482257 10434781446771 31304344340313