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1123103141 is a prime number
BaseRepresentation
bin100001011110001…
…0011000110100101
32220021022112212122
41002330103012211
54300003300031
6303235555325
736555135116
oct10274230645
92807275778
101123103141
11526a65016
1227415bb45
1314b8ac694
14a923420d
15688eb47b
hex42f131a5

1123103141 has 2 divisors, whose sum is σ = 1123103142. Its totient is φ = 1123103140.

The previous prime is 1123103131. The next prime is 1123103183. The reversal of 1123103141 is 1413013211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074856225 + 48246916 = 32785^2 + 6946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123103141 - 230 = 49361317 is a prime.

It is a super-2 number, since 2×11231031412 = 2522721330648131762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123103131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561551570 + 561551571.

It is an arithmetic number, because the mean of its divisors is an integer number (561551571).

Almost surely, 21123103141 is an apocalyptic number.

It is an amenable number.

1123103141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123103141 is an equidigital number, since it uses as much as digits as its factorization.

1123103141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1123103141 is about 33512.7310286703. The cubic root of 1123103141 is about 1039.4570455453.

Adding to 1123103141 its reverse (1413013211), we get a palindrome (2536116352).

The spelling of 1123103141 in words is "one billion, one hundred twenty-three million, one hundred three thousand, one hundred forty-one".