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12220303310231 is a prime number
BaseRepresentation
bin1011000111010100001011…
…0101100111110110010111
31121021020201221121210221212
42301311002311213312113
53100204140121411411
641553532502332035
72400613336160552
oct261650265476627
947236657553855
1012220303310231
1139916686aa535
121454462a2a01b
136a84a61a30a3
1430367437b699
15162d28a7568b
hexb1d42d67d97

12220303310231 has 2 divisors, whose sum is σ = 12220303310232. Its totient is φ = 12220303310230.

The previous prime is 12220303310219. The next prime is 12220303310273. The reversal of 12220303310231 is 13201330302221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220303310231 - 218 = 12220303048087 is a prime.

It is a super-2 number, since 2×122203033102312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220303310197 and 12220303310206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220303390231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110151655115 + 6110151655116.

It is an arithmetic number, because the mean of its divisors is an integer number (6110151655116).

Almost surely, 212220303310231 is an apocalyptic number.

12220303310231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220303310231 is an equidigital number, since it uses as much as digits as its factorization.

12220303310231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12220303310231 its reverse (13201330302221), we get a palindrome (25421633612452).

The spelling of 12220303310231 in words is "twelve trillion, two hundred twenty billion, three hundred three million, three hundred ten thousand, two hundred thirty-one".