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311321204214 = 2351886867369
BaseRepresentation
bin1001000011111000011…
…00001001010111110110
31002202120111202210022220
410201330030021113312
520100041212013324
6355004033503210
731330554400536
oct4417414112766
91082514683286
10311321204214
11110037781619
1250404a11b06
1323485469607
14110d49454c6
158171549b79
hex487c3095f6

311321204214 has 8 divisors (see below), whose sum is σ = 622642408440. Its totient is φ = 103773734736.

The previous prime is 311321204197. The next prime is 311321204219. The reversal of 311321204214 is 412402123113.

It is a sphenic number, since it is the product of 3 distinct primes.

311321204214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311321204219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25943433679 + ... + 25943433690.

It is an arithmetic number, because the mean of its divisors is an integer number (77830301055).

Almost surely, 2311321204214 is an apocalyptic number.

311321204214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

311321204214 is a wasteful number, since it uses less digits than its factorization.

311321204214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51886867374.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 311321204214 its reverse (412402123113), we get a palindrome (723723327327).

The spelling of 311321204214 in words is "three hundred eleven billion, three hundred twenty-one million, two hundred four thousand, two hundred fourteen".

Divisors: 1 2 3 6 51886867369 103773734738 155660602107 311321204214