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1244102317 is a prime number
BaseRepresentation
bin100101000100111…
…0111111010101101
310012200222221112121
41022021313322231
510021442233232
6323241232541
742554460313
oct11211677255
93180887477
101244102317
11589299537
122a8792751
1316a996323
14bb3300b3
157434cd97
hex4a277ead

1244102317 has 2 divisors, whose sum is σ = 1244102318. Its totient is φ = 1244102316.

The previous prime is 1244102303. The next prime is 1244102341. The reversal of 1244102317 is 7132014421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976812516 + 267289801 = 31254^2 + 16349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244102317 - 215 = 1244069549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244102291 and 1244102300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244102357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622051158 + 622051159.

It is an arithmetic number, because the mean of its divisors is an integer number (622051159).

Almost surely, 21244102317 is an apocalyptic number.

It is an amenable number.

1244102317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244102317 is an equidigital number, since it uses as much as digits as its factorization.

1244102317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1244102317 is about 35271.8346134703. The cubic root of 1244102317 is about 1075.5205172045.

Adding to 1244102317 its reverse (7132014421), we get a palindrome (8376116738).

The spelling of 1244102317 in words is "one billion, two hundred forty-four million, one hundred two thousand, three hundred seventeen".