Search a number
-
+
1223104131401 is a prime number
BaseRepresentation
bin10001110011000110101…
…011111111000101001001
311022221001020012120222212
4101303012223333011021
5130014404124201101
62333515234154505
7154236442402505
oct21630653770511
94287036176885
101223104131401
11431796439a69
12179067122a35
138b452105c89
14432acba1305
1521c382191bb
hex11cc6aff149

1223104131401 has 2 divisors, whose sum is σ = 1223104131402. Its totient is φ = 1223104131400.

The previous prime is 1223104131397. The next prime is 1223104131427. The reversal of 1223104131401 is 1041314013221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223014810000 + 89321401 = 1105900^2 + 9451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223104131401 - 22 = 1223104131397 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223104131481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611552065700 + 611552065701.

It is an arithmetic number, because the mean of its divisors is an integer number (611552065701).

Almost surely, 21223104131401 is an apocalyptic number.

It is an amenable number.

1223104131401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223104131401 is an equidigital number, since it uses as much as digits as its factorization.

1223104131401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1223104131401 its reverse (1041314013221), we get a palindrome (2264418144622).

The spelling of 1223104131401 in words is "one trillion, two hundred twenty-three billion, one hundred four million, one hundred thirty-one thousand, four hundred one".