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312234240061 is a prime number
BaseRepresentation
bin1001000101100101001…
…11000110100000111101
31002211221010210211001101
410202302213012200331
520103423431140221
6355234411213101
731362312151612
oct4426247064075
91084833724041
10312234240061
111104660a79a7
125061a747191
132359c678603
141117dcd6509
1581c679dd91
hex48b29c683d

312234240061 has 2 divisors, whose sum is σ = 312234240062. Its totient is φ = 312234240060.

The previous prime is 312234240053. The next prime is 312234240079. The reversal of 312234240061 is 160042432213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270738105625 + 41496134436 = 520325^2 + 203706^2 .

It is an emirp because it is prime and its reverse (160042432213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312234240061 - 23 = 312234240053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312234240761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156117120030 + 156117120031.

It is an arithmetic number, because the mean of its divisors is an integer number (156117120031).

Almost surely, 2312234240061 is an apocalyptic number.

It is an amenable number.

312234240061 is a deficient number, since it is larger than the sum of its proper divisors (1).

312234240061 is an equidigital number, since it uses as much as digits as its factorization.

312234240061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312234240061 its reverse (160042432213), we get a palindrome (472276672274).

The spelling of 312234240061 in words is "three hundred twelve billion, two hundred thirty-four million, two hundred forty thousand, sixty-one".