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312201102213 = 327111379743481
BaseRepresentation
bin1001000101100001010…
…00101100001110000101
31002211211211110020110200
410202300220230032011
520103341440232323
6355231225041113
731361430404040
oct4426050541605
91084754406420
10312201102213
11110449423a50
125060b626199
1323595845310
141117974bc57
1581c3905443
hex48b0a2c385

312201102213 has 96 divisors (see below), whose sum is σ = 606254568192. Its totient is φ = 149515545600.

The previous prime is 312201102209. The next prime is 312201102263.

312201102213 is a `hidden beast` number, since 312 + 20 + 110 + 221 + 3 = 666.

312201102213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312201102213 - 22 = 312201102209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201102203) 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, 7158433 + ... + 7201913.

It is an arithmetic number, because the mean of its divisors is an integer number (6315151752).

Almost surely, 2312201102213 is an apocalyptic number.

312201102213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312201102213 is a deficient number, since it is larger than the sum of its proper divisors (294053465979).

312201102213 is a wasteful number, since it uses less digits than its factorization.

312201102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44315 (or 44312 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 312201 and 102213, that added together give a palindrome (414414).

The spelling of 312201102213 in words is "three hundred twelve billion, two hundred one million, one hundred two thousand, two hundred thirteen".

Divisors: 1 3 7 9 11 13 21 33 39 63 77 91 99 117 143 231 273 429 693 797 819 1001 1287 2391 3003 5579 7173 8767 9009 10361 16737 26301 31083 43481 50211 61369 72527 78903 93249 113971 130443 184107 217581 304367 341913 391329 478291 552321 565253 652743 797797 913101 1025739 1434873 1695759 2393391 2739303 3348037 3956771 4304619 5087277 6217783 7180173 10044111 11870313 18653349 30132333 34654357 35610939 43524481 55960047 103963071 130573443 242580499 311889213 381197927 391720329 450506641 727741497 1143593781 1351519923 2183224491 2668385489 3153546487 3430781343 4054559769 4955573051 8005156467 9460639461 14866719153 24015469401 28381918383 34689011357 44600157459 104067034071 312201102213