Search a number
-
+
231303144301 is a prime number
BaseRepresentation
bin1101011101101010111…
…1011110001101101101
3211010000220200011210021
43113122233132031231
512242202101104201
6254131553042141
722465623200245
oct3273257361555
9733026604707
10231303144301
118a10565a899
12389b2b56351
1318a72680478
14b2a3628b25
15603b6aeea1
hex35dabde36d

231303144301 has 2 divisors, whose sum is σ = 231303144302. Its totient is φ = 231303144300.

The previous prime is 231303144277. The next prime is 231303144307. The reversal of 231303144301 is 103441303132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127795525225 + 103507619076 = 357485^2 + 321726^2 .

It is a cyclic number.

It is not a de Polignac number, because 231303144301 - 223 = 231294755693 is a prime.

It is a super-2 number, since 2×2313031443012 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231303144307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651572150 + 115651572151.

It is an arithmetic number, because the mean of its divisors is an integer number (115651572151).

Almost surely, 2231303144301 is an apocalyptic number.

It is an amenable number.

231303144301 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303144301 is an equidigital number, since it uses as much as digits as its factorization.

231303144301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231303144301 its reverse (103441303132), we get a palindrome (334744447433).

The spelling of 231303144301 in words is "two hundred thirty-one billion, three hundred three million, one hundred forty-four thousand, three hundred one".