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2220000131231 is a prime number
BaseRepresentation
bin100000010011100010010…
…100011011100010011111
321212020012121220110201122
4200103202110123202133
5242333030013144411
64415504243201155
7316250446523411
oct40234224334237
97766177813648
102220000131231
11786551220663
122ba3016761bb
131314642a5b0c
147963cc8c9b1
153cb321e69db
hex204e251b89f

2220000131231 has 2 divisors, whose sum is σ = 2220000131232. Its totient is φ = 2220000131230.

The previous prime is 2220000131207. The next prime is 2220000131233. The reversal of 2220000131231 is 1321310000222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220000131231 - 210 = 2220000130207 is a prime.

It is a super-2 number, since 2×22200001312312 (a number of 25 digits) contains 22 as substring.

Together with 2220000131233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220000131233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110000065615 + 1110000065616.

It is an arithmetic number, because the mean of its divisors is an integer number (1110000065616).

Almost surely, 22220000131231 is an apocalyptic number.

2220000131231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220000131231 is an equidigital number, since it uses as much as digits as its factorization.

2220000131231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2220000131231 its reverse (1321310000222), we get a palindrome (3541310131453).

The spelling of 2220000131231 in words is "two trillion, two hundred twenty billion, one hundred thirty-one thousand, two hundred thirty-one".