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312320312311 = 7431037609011
BaseRepresentation
bin1001000101101111011…
…11011100001111110111
31002212011010202201222111
410202313233130033313
520104112444443221
6355251124111451
731364405565250
oct4426757341767
91085133681874
10312320312311
111104aa746297
1250643535587
13235b4453837
141118b4ddb27
1581ce101be1
hex48b7bdc3f7

312320312311 has 8 divisors (see below), whose sum is σ = 365238372224. Its totient is φ = 261477470520.

The previous prime is 312320312281. The next prime is 312320312321. The reversal of 312320312311 is 113213023213.

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

It is not a de Polignac number, because 312320312311 - 215 = 312320279543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320312321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518804205 + ... + 518804806.

It is an arithmetic number, because the mean of its divisors is an integer number (45654796528).

Almost surely, 2312320312311 is an apocalyptic number.

312320312311 is a deficient number, since it is larger than the sum of its proper divisors (52918059913).

312320312311 is a wasteful number, since it uses less digits than its factorization.

312320312311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037609061.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312320312311 its reverse (113213023213), we get a palindrome (425533335524).

The spelling of 312320312311 in words is "three hundred twelve billion, three hundred twenty million, three hundred twelve thousand, three hundred eleven".

Divisors: 1 7 43 301 1037609011 7263263077 44617187473 312320312311