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312031311234044 = 221971493334379337
BaseRepresentation
bin100011011110010100111001…
…1011101110000001111111100
31111220210220100120122011222112
41012330221303131300033330
5311344310111133442134
63023345112214433152
7122503342526551163
oct10674516335601774
91456726316564875
10312031311234044
1190471810608956
122abb59129627b8
1310515570a28c0c
14570a578a663da
1526119b55671ce
hex11bca737703fc

312031311234044 has 48 divisors (see below), whose sum is σ = 549365452530048. Its totient is φ = 155071374355968.

The previous prime is 312031311234031. The next prime is 312031311234091. The reversal of 312031311234044 is 440432113130213.

It is a self number, because there is not a number n which added to its sum of digits gives 312031311234044.

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, 3932946344 + ... + 3933025680.

It is an arithmetic number, because the mean of its divisors is an integer number (11445113594376).

Almost surely, 2312031311234044 is an apocalyptic number.

It is an amenable number.

312031311234044 is a deficient number, since it is larger than the sum of its proper divisors (237334141296004).

312031311234044 is a wasteful number, since it uses less digits than its factorization.

312031311234044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84374 (or 84372 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 312031311234044 its reverse (440432113130213), we get a palindrome (752463424364257).

The spelling of 312031311234044 in words is "three hundred twelve trillion, thirty-one billion, three hundred eleven million, two hundred thirty-four thousand, forty-four".

Divisors: 1 2 4 197 394 788 1493 2986 3343 5972 6686 13372 79337 158674 294121 317348 588242 658571 1176484 1317142 2634284 4991099 9982198 15629389 19964396 31258778 62517556 118450141 236900282 265223591 473800564 530447182 983246503 1060894364 1966493006 3932986012 23334677777 46669355554 52249047427 93338711108 104498094854 208996189708 395978821363 791957642726 1583915285452 78007827808511 156015655617022 312031311234044