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1122002131 is a prime number
BaseRepresentation
bin100001011100000…
…0110010011010011
32220012020121120111
41002320012103103
54244213032011
6303200222151
736542601145
oct10270062323
92805217514
101122002131
11526382898
1227390a957
1314b5b54b3
14a9028c95
1568780121
hex42e064d3

1122002131 has 2 divisors, whose sum is σ = 1122002132. Its totient is φ = 1122002130.

The previous prime is 1122002113. The next prime is 1122002143. The reversal of 1122002131 is 1312002211.

Together with previous prime (1122002113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122002131 - 25 = 1122002099 is a prime.

It is a super-2 number, since 2×11220021312 = 2517777563937082322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561001065 + 561001066.

It is an arithmetic number, because the mean of its divisors is an integer number (561001066).

Almost surely, 21122002131 is an apocalyptic number.

1122002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122002131 is an equidigital number, since it uses as much as digits as its factorization.

1122002131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1122002131 is about 33496.3002583867. The cubic root of 1122002131 is about 1039.1172647055.

Adding to 1122002131 its reverse (1312002211), we get a palindrome (2434004342).

The spelling of 1122002131 in words is "one billion, one hundred twenty-two million, two thousand, one hundred thirty-one".