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2231337109 is a prime number
BaseRepresentation
bin1000010011111111…
…1000000010010101
312202111122200002011
42010333320002111
514032210241414
61005225144221
7106203024001
oct20477700225
95674580064
102231337109
11a45593661
1252332b071
13297384121
141724b7701
15d0d5bdc4
hex84ff8095

2231337109 has 2 divisors, whose sum is σ = 2231337110. Its totient is φ = 2231337108.

The previous prime is 2231337089. The next prime is 2231337161. The reversal of 2231337109 is 9017331322.

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., 2096266225 + 135070884 = 45785^2 + 11622^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231337109 - 25 = 2231337077 is a prime.

It is a super-3 number, since 3×22313371093 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231337509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115668554 + 1115668555.

It is an arithmetic number, because the mean of its divisors is an integer number (1115668555).

Almost surely, 22231337109 is an apocalyptic number.

It is an amenable number.

2231337109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231337109 is an equidigital number, since it uses as much as digits as its factorization.

2231337109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 2231337109 is about 47237.0311196629. The cubic root of 2231337109 is about 1306.7376253100.

The spelling of 2231337109 in words is "two billion, two hundred thirty-one million, three hundred thirty-seven thousand, one hundred nine".