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312013211302 = 213149173465551
BaseRepresentation
bin1001000101001010110…
…11111100011010100110
31002211100201220101121001
410202211123330122212
520103000340230202
6355200433543514
731353656352112
oct4424533743246
91084321811531
10312013211302
11110362361801
1250578714b9a
132356593a870
141115c7dc742
1581b218dd87
hex48a56fc6a6

312013211302 has 32 divisors (see below), whose sum is σ = 510338102400. Its totient is φ = 142212489600.

The previous prime is 312013211281. The next prime is 312013211339. The reversal of 312013211302 is 203112310213.

It is a self number, because there is not a number n which added to its sum of digits gives 312013211302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437427 + ... + 902977.

It is an arithmetic number, because the mean of its divisors is an integer number (15948065700).

Almost surely, 2312013211302 is an apocalyptic number.

312013211302 is a deficient number, since it is larger than the sum of its proper divisors (198324891098).

312013211302 is a wasteful number, since it uses less digits than its factorization.

312013211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465888.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312013211302 its reverse (203112310213), we get a palindrome (515125521515).

The spelling of 312013211302 in words is "three hundred twelve billion, thirteen million, two hundred eleven thousand, three hundred two".

Divisors: 1 2 13 26 149 173 298 346 1937 2249 3874 4498 25777 51554 335101 465551 670202 931102 6052163 12104326 69367099 80540323 138734198 161080646 901772287 1047024199 1803544574 2094048398 12000508127 24001016254 156006605651 312013211302