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2220301021231 is a prime number
BaseRepresentation
bin100000010011110100010…
…000001111000000101111
321212020222121002021012201
4200103310100033000233
5242334134030134411
64415554152242331
7316261062200626
oct40236420170057
97766877067181
102220301021231
11786696052787
122ba3863a03a7
131314b1725a37
147966ac146bd
153cb4d82e3c1
hex204f440f02f

2220301021231 has 2 divisors, whose sum is σ = 2220301021232. Its totient is φ = 2220301021230.

The previous prime is 2220301021229. The next prime is 2220301021243. The reversal of 2220301021231 is 1321201030222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220301021231 - 21 = 2220301021229 is a prime.

It is a super-2 number, since 2×22203010212312 (a number of 25 digits) contains 22 as substring.

Together with 2220301021229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2220301021199 and 2220301021208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220301021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110150510615 + 1110150510616.

It is an arithmetic number, because the mean of its divisors is an integer number (1110150510616).

Almost surely, 22220301021231 is an apocalyptic number.

2220301021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220301021231 is an equidigital number, since it uses as much as digits as its factorization.

2220301021231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2220301021231 its reverse (1321201030222), we get a palindrome (3541502051453).

The spelling of 2220301021231 in words is "two trillion, two hundred twenty billion, three hundred one million, twenty-one thousand, two hundred thirty-one".