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312313120311 = 3218021477497
BaseRepresentation
bin1001000101101110101…
…00000000011000110111
31002212010122020100102010
410202313110000120313
520104104124322221
6355250310015303
731364260502313
oct4426724003067
91085118210363
10312313120311
111104a6683895
1250641047533
13235b2b0610a
141118a58ab43
1581cd680c76
hex48b7500637

312313120311 has 8 divisors (see below), whose sum is σ = 416420275824. Its totient is φ = 208207355840.

The previous prime is 312313120297. The next prime is 312313120313. The reversal of 312313120311 is 113021313213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312313120311 - 238 = 37435213367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312313120313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415315 + ... + 892811.

It is an arithmetic number, because the mean of its divisors is an integer number (52052534478).

Almost surely, 2312313120311 is an apocalyptic number.

312313120311 is a deficient number, since it is larger than the sum of its proper divisors (104107155513).

312313120311 is a wasteful number, since it uses less digits than its factorization.

312313120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695521.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312313120311 its reverse (113021313213), we get a palindrome (425334433524).

The spelling of 312313120311 in words is "three hundred twelve billion, three hundred thirteen million, one hundred twenty thousand, three hundred eleven".

Divisors: 1 3 218021 477497 654063 1432491 104104373437 312313120311