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312343505103 = 37217124987397
BaseRepresentation
bin1001000101110010001…
…11111010100011001111
31002212012202102001111210
410202321013322203033
520104134414130403
6355253313145503
731365106662600
oct4427107724317
91085182361453
10312343505103
11110511847393
125064b25b293
13235b91b4296
1411190619da7
1581d1183b03
hex48b91fa8cf

312343505103 has 24 divisors (see below), whose sum is σ = 512948281392. Its totient is φ = 167983060224.

The previous prime is 312343505083. The next prime is 312343505113. The reversal of 312343505103 is 301505343213.

It is not a de Polignac number, because 312343505103 - 210 = 312343504079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343505113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62491200 + ... + 62496197.

It is an arithmetic number, because the mean of its divisors is an integer number (21372845058).

Almost surely, 2312343505103 is an apocalyptic number.

312343505103 is a deficient number, since it is larger than the sum of its proper divisors (200604776289).

312343505103 is a wasteful number, since it uses less digits than its factorization.

312343505103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124987431 (or 124987424 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 312343505103 its reverse (301505343213), we get a palindrome (613848848316).

The spelling of 312343505103 in words is "three hundred twelve billion, three hundred forty-three million, five hundred five thousand, one hundred three".

Divisors: 1 3 7 17 21 49 51 119 147 357 833 2499 124987397 374962191 874911779 2124785749 2624735337 6124382453 6374357247 14873500243 18373147359 44620500729 104114501701 312343505103