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2231343193 is a prime number
BaseRepresentation
bin1000010011111111…
…1001100001011001
312202111122222102111
42010333321201121
514032210440233
61005225232321
7106203050512
oct20477714131
95674588374
102231343193
11a45598192
125233326a1
13297386b21
141724b9a09
15d0d5dacd
hex84ff9859

2231343193 has 2 divisors, whose sum is σ = 2231343194. Its totient is φ = 2231343192.

The previous prime is 2231343167. The next prime is 2231343239. The reversal of 2231343193 is 3913431322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970294544 + 261048649 = 44388^2 + 16157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231343193 - 229 = 1694472281 is a prime.

It is a super-3 number, since 3×22313431933 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231343293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115671596 + 1115671597.

It is an arithmetic number, because the mean of its divisors is an integer number (1115671597).

Almost surely, 22231343193 is an apocalyptic number.

It is an amenable number.

2231343193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231343193 is an equidigital number, since it uses as much as digits as its factorization.

2231343193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 2231343193 is about 47237.0955182471. The cubic root of 2231343193 is about 1306.7388129663.

The spelling of 2231343193 in words is "two billion, two hundred thirty-one million, three hundred forty-three thousand, one hundred ninety-three".