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22312230013 is a prime number
BaseRepresentation
bin10100110001111010…
…011001110001111101
32010120222101201112101
4110301322121301331
5331143412330023
614130004305101
71416626553163
oct246172316175
963528351471
1022312230013
11950a743717
1243a83a2191
132147742688
141119419233
158a8c561ad
hex531e99c7d

22312230013 has 2 divisors, whose sum is σ = 22312230014. Its totient is φ = 22312230012.

The previous prime is 22312230001. The next prime is 22312230037. The reversal of 22312230013 is 31003221322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18532193689 + 3780036324 = 136133^2 + 61482^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312230013 - 25 = 22312229981 is a prime.

It is a super-3 number, since 3×223122300133 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312530013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156115006 + 11156115007.

It is an arithmetic number, because the mean of its divisors is an integer number (11156115007).

Almost surely, 222312230013 is an apocalyptic number.

It is an amenable number.

22312230013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312230013 is an equidigital number, since it uses as much as digits as its factorization.

22312230013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22312230013 its reverse (31003221322), we get a palindrome (53315451335).

The spelling of 22312230013 in words is "twenty-two billion, three hundred twelve million, two hundred thirty thousand, thirteen".