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1123101361 is a prime number
BaseRepresentation
bin100001011110001…
…0010101010110001
32220021022110102201
41002330102222301
54300003220421
6303235543201
736555126664
oct10274225261
92807273381
101123101361
11526a63748
1227415ab01
1314b8ab925
14a92336db
15688eab91
hex42f12ab1

1123101361 has 2 divisors, whose sum is σ = 1123101362. Its totient is φ = 1123101360.

The previous prime is 1123101347. The next prime is 1123101407. The reversal of 1123101361 is 1631013211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078465600 + 44635761 = 32840^2 + 6681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123101361 - 215 = 1123068593 is a prime.

It is a super-2 number, since 2×11231013612 = 2522713334160104642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123101461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561550680 + 561550681.

It is an arithmetic number, because the mean of its divisors is an integer number (561550681).

Almost surely, 21123101361 is an apocalyptic number.

It is an amenable number.

1123101361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123101361 is an equidigital number, since it uses as much as digits as its factorization.

1123101361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1123101361 is about 33512.7044715881. The cubic root of 1123101361 is about 1039.4564964018.

Adding to 1123101361 its reverse (1631013211), we get a palindrome (2754114572).

The spelling of 1123101361 in words is "one billion, one hundred twenty-three million, one hundred one thousand, three hundred sixty-one".