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20003210233231 is a prime number
BaseRepresentation
bin1001000110001010111000…
…01111011000010110001111
32121211021210010002020202211
410203011130033120112033
510110213033304430411
6110313203052331251
74133120124402301
oct443053417302617
977737703066684
1020003210233231
11641234a76a855
1222b090a773b27
13b213aa3c6324
144d223674b971
1524a4e1b06221
hex12315c3d858f

20003210233231 has 2 divisors, whose sum is σ = 20003210233232. Its totient is φ = 20003210233230.

The previous prime is 20003210233207. The next prime is 20003210233283. The reversal of 20003210233231 is 13233201230002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003210233231 - 25 = 20003210233199 is a prime.

It is a super-2 number, since 2×200032102332312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003210233031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001605116615 + 10001605116616.

It is an arithmetic number, because the mean of its divisors is an integer number (10001605116616).

Almost surely, 220003210233231 is an apocalyptic number.

20003210233231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003210233231 is an equidigital number, since it uses as much as digits as its factorization.

20003210233231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20003210233231 its reverse (13233201230002), we get a palindrome (33236411463233).

The spelling of 20003210233231 in words is "twenty trillion, three billion, two hundred ten million, two hundred thirty-three thousand, two hundred thirty-one".