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2331310005 = 3455756321
BaseRepresentation
bin1000101011110100…
…1111011110110101
320000110202211010000
42022331033132311
514233303410010
61023200021513
7111525544113
oct21275173665
96013684100
102331310005
11a96a66792
12550901899
132b1cb849b
1418189cab3
15d9a087c0
hex8af4f7b5

2331310005 has 20 divisors (see below), whose sum is σ = 4179089772. Its totient is φ = 1243365120.

The previous prime is 2331310001. The next prime is 2331310067. The reversal of 2331310005 is 5000131332.

It can be written as a sum of positive squares in 2 ways, for example, as 728028324 + 1603281681 = 26982^2 + 40041^2 .

It is not a de Polignac number, because 2331310005 - 22 = 2331310001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2331310005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331310001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2877756 + ... + 2878565.

Almost surely, 22331310005 is an apocalyptic number.

It is an amenable number.

2331310005 is a deficient number, since it is larger than the sum of its proper divisors (1847779767).

2331310005 is an equidigital number, since it uses as much as digits as its factorization.

2331310005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756338 (or 5756329 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 2331310005 is about 48283.6411737972. The cubic root of 2331310005 is about 1325.9689137079.

Adding to 2331310005 its reverse (5000131332), we get a palindrome (7331441337).

The spelling of 2331310005 in words is "two billion, three hundred thirty-one million, three hundred ten thousand, five".

Divisors: 1 3 5 9 15 27 45 81 135 405 5756321 17268963 28781605 51806889 86344815 155420667 259034445 466262001 777103335 2331310005