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4231130330221 is a prime number
BaseRepresentation
bin111101100100100011000…
…001010011010001101101
3112222111021202012000100221
4331210203001103101231
51023310323331031341
612555430543051341
7614455232254264
oct75444301232155
915874252160327
104231130330221
111391459847703
12584030ba0b51
13248cbc71ca42
14108b05a215db
15750dc3d0ed1
hex3d92305346d

4231130330221 has 2 divisors, whose sum is σ = 4231130330222. Its totient is φ = 4231130330220.

The previous prime is 4231130330183. The next prime is 4231130330227. The reversal of 4231130330221 is 1220330311324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4019980890121 + 211149440100 = 2004989^2 + 459510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231130330221 - 29 = 4231130329709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231130330227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115565165110 + 2115565165111.

It is an arithmetic number, because the mean of its divisors is an integer number (2115565165111).

Almost surely, 24231130330221 is an apocalyptic number.

It is an amenable number.

4231130330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231130330221 is an equidigital number, since it uses as much as digits as its factorization.

4231130330221 is an evil number, because the sum of its binary digits is even.

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

Adding to 4231130330221 its reverse (1220330311324), we get a palindrome (5451460641545).

The spelling of 4231130330221 in words is "four trillion, two hundred thirty-one billion, one hundred thirty million, three hundred thirty thousand, two hundred twenty-one".