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311141105663 = 2939105866317
BaseRepresentation
bin1001000011100010111…
…01000111111111111111
31002202002221212211120012
410201301131013333333
520044204110340123
6354534121413435
731323236522063
oct4416135077777
91082087784505
10311141105663
1110aa55051943
125037463a27b
132345705c91b
14110b8a63aa3
158160822378
hex4871747fff

311141105663 has 4 divisors (see below), whose sum is σ = 311246974920. Its totient is φ = 311035236408.

The previous prime is 311141105659. The next prime is 311141105669. The reversal of 311141105663 is 366501141113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366501141113 = 715161987903.

It is a cyclic number.

It is not a de Polignac number, because 311141105663 - 22 = 311141105659 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 (311141105669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52930220 + ... + 52936097.

It is an arithmetic number, because the mean of its divisors is an integer number (77811743730).

Almost surely, 2311141105663 is an apocalyptic number.

311141105663 is a deficient number, since it is larger than the sum of its proper divisors (105869257).

311141105663 is a wasteful number, since it uses less digits than its factorization.

311141105663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105869256.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 311141105663 its reverse (366501141113), we get a palindrome (677642246776).

The spelling of 311141105663 in words is "three hundred eleven billion, one hundred forty-one million, one hundred five thousand, six hundred sixty-three".

Divisors: 1 2939 105866317 311141105663