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2130222131 is a prime number
BaseRepresentation
bin111111011111000…
…1001110000110011
312111110101111101222
41332332021300303
513330314102011
6551214015255
7103534406102
oct17676116063
95443344358
102130222131
119a3500464
124b54a752b
1327c43cc8b
14162cb6039
15c7036ddb
hex7ef89c33

2130222131 has 2 divisors, whose sum is σ = 2130222132. Its totient is φ = 2130222130.

The previous prime is 2130222097. The next prime is 2130222139. The reversal of 2130222131 is 1312220312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130222131 - 26 = 2130222067 is a prime.

It is a super-2 number, since 2×21302221312 = 9075692654804362322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2130222139) 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, 1065111065 + 1065111066.

It is an arithmetic number, because the mean of its divisors is an integer number (1065111066).

Almost surely, 22130222131 is an apocalyptic number.

2130222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130222131 is an equidigital number, since it uses as much as digits as its factorization.

2130222131 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.

The square root of 2130222131 is about 46154.3294935589. The cubic root of 2130222131 is about 1286.6930765055.

Adding to 2130222131 its reverse (1312220312), we get a palindrome (3442442443).

The spelling of 2130222131 in words is "two billion, one hundred thirty million, two hundred twenty-two thousand, one hundred thirty-one".