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2312342309 is a prime number
BaseRepresentation
bin1000100111010011…
…1000101100100101
312222011002011022202
42021310320230211
514213424423214
61021241304245
7111205404524
oct21164705445
95864064282
102312342309
11a87291002
12546495085
132ab0a6bb4
1417d1624bb
15d800d6de
hex89d38b25

2312342309 has 2 divisors, whose sum is σ = 2312342310. Its totient is φ = 2312342308.

The previous prime is 2312342299. The next prime is 2312342327. The reversal of 2312342309 is 9032432132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1694968900 + 617373409 = 41170^2 + 24847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312342309 - 216 = 2312276773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312342509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156171154 + 1156171155.

It is an arithmetic number, because the mean of its divisors is an integer number (1156171155).

Almost surely, 22312342309 is an apocalyptic number.

It is an amenable number.

2312342309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312342309 is an equidigital number, since it uses as much as digits as its factorization.

2312342309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2312342309 is about 48086.8205332813. The cubic root of 2312342309 is about 1322.3630591850.

The spelling of 2312342309 in words is "two billion, three hundred twelve million, three hundred forty-two thousand, three hundred nine".