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107131311 = 327612457
BaseRepresentation
bin1100110001010…
…11000110101111
321110120211112100
412120223012233
5204411200221
614344110143
72440413120
oct630530657
9243524470
10107131311
1155522381
122ba65353
131926c711
141032a047
159612926
hex662b1af

107131311 has 36 divisors (see below), whose sum is σ = 180191856. Its totient is φ = 60082560.

The previous prime is 107131301. The next prime is 107131313. The reversal of 107131311 is 113131701.

It is not a de Polignac number, because 107131311 - 26 = 107131247 is a prime.

It is a super-2 number, since 2×1071313112 = 22954235593157442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107131313) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 234195 + ... + 234651.

Almost surely, 2107131311 is an apocalyptic number.

107131311 is a deficient number, since it is larger than the sum of its proper divisors (73060545).

107131311 is an equidigital number, since it uses as much as digits as its factorization.

107131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 18.

The square root of 107131311 is about 10350.4256434216. The cubic root of 107131311 is about 474.9400640904.

The spelling of 107131311 in words is "one hundred seven million, one hundred thirty-one thousand, three hundred eleven".

Divisors: 1 3 7 9 21 61 63 183 427 457 549 1281 1371 3199 3721 3843 4113 9597 11163 26047 27877 28791 33489 78141 83631 195139 234423 250893 585417 1700497 1756251 5101491 11903479 15304473 35710437 107131311