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2231301197 is a prime number
BaseRepresentation
bin1000010011111110…
…1111010001001101
312202111120211211002
42010333233101031
514032203114242
61005224310045
7106202514206
oct20477572115
95674524732
102231301197
11a45569684
12523312325
13297370988
141724a85ad
15d0d51432
hex84fef44d

2231301197 has 2 divisors, whose sum is σ = 2231301198. Its totient is φ = 2231301196.

The previous prime is 2231301173. The next prime is 2231301269. The reversal of 2231301197 is 7911031322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2200454281 + 30846916 = 46909^2 + 5554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231301197 - 216 = 2231235661 is a prime.

It is a super-3 number, since 3×22313011973 (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 (2231301997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115650598 + 1115650599.

It is an arithmetic number, because the mean of its divisors is an integer number (1115650599).

Almost surely, 22231301197 is an apocalyptic number.

It is an amenable number.

2231301197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231301197 is an equidigital number, since it uses as much as digits as its factorization.

2231301197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2231301197 is about 47236.6509926349. The cubic root of 2231301197 is about 1306.7306148926.

The spelling of 2231301197 in words is "two billion, two hundred thirty-one million, three hundred one thousand, one hundred ninety-seven".