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2216153231 is a prime number
BaseRepresentation
bin1000010000010111…
…1101000010001111
312201110002020201022
42010011331002033
514014313400411
61003523504355
7105626664065
oct20405750217
95643066638
102216153231
11a37a627a6
1251a2280bb
13294198b96
14170484035
15ce85cedb
hex8417d08f

2216153231 has 2 divisors, whose sum is σ = 2216153232. Its totient is φ = 2216153230.

The previous prime is 2216153131. The next prime is 2216153239. The reversal of 2216153231 is 1323516122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2216153231 is a prime.

It is a super-2 number, since 2×22161532312 = 9822670286543478722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2216153231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216153239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108076615 + 1108076616.

It is an arithmetic number, because the mean of its divisors is an integer number (1108076616).

Almost surely, 22216153231 is an apocalyptic number.

2216153231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216153231 is an equidigital number, since it uses as much as digits as its factorization.

2216153231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2216153231 is about 47076.0366959667. The cubic root of 2216153231 is about 1303.7668324160.

Adding to 2216153231 its reverse (1323516122), we get a palindrome (3539669353).

The spelling of 2216153231 in words is "two billion, two hundred sixteen million, one hundred fifty-three thousand, two hundred thirty-one".