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2312221049 is a prime number
BaseRepresentation
bin1000100111010001…
…1011000101111001
312222010211222222122
42021310123011321
514213412033144
61021234531025
7111204361145
oct21164330571
95863758878
102312221049
11a87208996
12546436a75
132ab063948
1417d130225
15d7ed77ee
hex89d1b179

2312221049 has 2 divisors, whose sum is σ = 2312221050. Its totient is φ = 2312221048.

The previous prime is 2312221019. The next prime is 2312221097. The reversal of 2312221049 is 9401222132.

2312221049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2312167225 + 53824 = 48085^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312221049 - 28 = 2312220793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2312221019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156110524 + 1156110525.

It is an arithmetic number, because the mean of its divisors is an integer number (1156110525).

Almost surely, 22312221049 is an apocalyptic number.

It is an amenable number.

2312221049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312221049 is an equidigital number, since it uses as much as digits as its factorization.

2312221049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2312221049 is about 48085.5596723174. The cubic root of 2312221049 is about 1322.3399437280.

The spelling of 2312221049 in words is "two billion, three hundred twelve million, two hundred twenty-one thousand, forty-nine".