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312311134105 = 5792116615669
BaseRepresentation
bin1001000101101110011…
…00011011011110011001
31002212010111111102211221
410202313030123132121
520104103122242410
6355250155252041
731364234560525
oct4426714333631
91085114442757
10312311134105
111104a55475a3
125064044a021
13235b258c049
141118a1d0d85
1581cd3dc4da
hex48b731b799

312311134105 has 32 divisors (see below), whose sum is σ = 381960230400. Its totient is φ = 245102457600.

The previous prime is 312311134087. The next prime is 312311134117. The reversal of 312311134105 is 501431113213.

It is not a de Polignac number, because 312311134105 - 25 = 312311134073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312311134105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55088211 + ... + 55093879.

It is an arithmetic number, because the mean of its divisors is an integer number (11936257200).

Almost surely, 2312311134105 is an apocalyptic number.

It is an amenable number.

312311134105 is a deficient number, since it is larger than the sum of its proper divisors (69649096295).

312311134105 is a wasteful number, since it uses less digits than its factorization.

312311134105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 312311134105 its reverse (501431113213), we get a palindrome (813742247318).

The spelling of 312311134105 in words is "three hundred twelve billion, three hundred eleven million, one hundred thirty-four thousand, one hundred five".

Divisors: 1 5 79 211 395 661 1055 3305 5669 16669 28345 52219 83345 139471 261095 447851 697355 1196159 2239255 3747209 5980795 11018209 18736045 55091045 94496561 296029511 472482805 790661099 1480147555 3953305495 62462226821 312311134105