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1122213331 is a prime number
BaseRepresentation
bin100001011100011…
…1001110111010011
32220012122100021201
41002320321313103
54244241311311
6303204532031
736544440661
oct10270716723
92805570251
101122213331
11526507538
122739b1017
1314b65a675
14a9081c31
15687c29c1
hex42e39dd3

1122213331 has 2 divisors, whose sum is σ = 1122213332. Its totient is φ = 1122213330.

The previous prime is 1122213307. The next prime is 1122213341. The reversal of 1122213331 is 1333122211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122213331 - 219 = 1121689043 is a prime.

It is a super-2 number, since 2×11222133312 = 2518725520548231122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122213299 and 1122213308.

It is not a weakly prime, because it can be changed into another prime (1122213341) 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, 561106665 + 561106666.

It is an arithmetic number, because the mean of its divisors is an integer number (561106666).

Almost surely, 21122213331 is an apocalyptic number.

1122213331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122213331 is an equidigital number, since it uses as much as digits as its factorization.

1122213331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 1122213331 is about 33499.4526970218. The cubic root of 1122213331 is about 1039.1824600058.

Adding to 1122213331 its reverse (1333122211), we get a palindrome (2455335542).

The spelling of 1122213331 in words is "one billion, one hundred twenty-two million, two hundred thirteen thousand, three hundred thirty-one".