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311421023310342 = 23112328919660403
BaseRepresentation
bin100011011001111000101101…
…1011110000101001000000110
31111211122120002120020110022010
41012303301123132011020012
5311304310223431412332
63022200502034315050
7122411266162026411
oct10663613336051006
91454576076213263
10311421023310342
1190256a06a24a80
122ab17592728a86
131049cb518510ba
1456c8c02310b78
152600b974159cc
hex11b3c5b785206

311421023310342 has 48 divisors (see below), whose sum is σ = 710290397291328. Its totient is φ = 90266963268240.

The previous prime is 311421023310323. The next prime is 311421023310377. The reversal of 311421023310342 is 243013320124113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459795288 + ... + 4459865115.

It is an arithmetic number, because the mean of its divisors is an integer number (14797716610236).

Almost surely, 2311421023310342 is an apocalyptic number.

311421023310342 is an abundant number, since it is smaller than the sum of its proper divisors (398869373980986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311421023310342 is a wasteful number, since it uses less digits than its factorization.

311421023310342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919660465 (or 8919660442 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 311421023310342 its reverse (243013320124113), we get a palindrome (554434343434455).

The spelling of 311421023310342 in words is "three hundred eleven trillion, four hundred twenty-one billion, twenty-three million, three hundred ten thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 529 759 1058 1518 1587 3174 5819 11638 17457 34914 8919660403 17839320806 26758981209 53517962418 98116264433 196232528866 205152189269 294348793299 410304378538 588697586598 615456567807 1230913135614 2256674081959 4513348163918 4718500353187 6770022245877 9437000706374 13540044491754 14155501059561 28311002119122 51903503885057 103807007770114 155710511655171 311421023310342