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1310223457 is a prime number
BaseRepresentation
bin100111000011000…
…0110110001100001
310101022102020200201
41032012012301201
510140404122312
6334002345201
744316500314
oct11606066141
93338366621
101310223457
11612650304
1230695b201
1317b5a746a
14c602297b
157a05e557
hex4e186c61

1310223457 has 2 divisors, whose sum is σ = 1310223458. Its totient is φ = 1310223456.

The previous prime is 1310223403. The next prime is 1310223469. The reversal of 1310223457 is 7543220131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962922961 + 347300496 = 31031^2 + 18636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310223457 - 215 = 1310190689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310224457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655111728 + 655111729.

It is an arithmetic number, because the mean of its divisors is an integer number (655111729).

Almost surely, 21310223457 is an apocalyptic number.

It is an amenable number.

1310223457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310223457 is an equidigital number, since it uses as much as digits as its factorization.

1310223457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1310223457 is about 36197.0089510169. The cubic root of 1310223457 is about 1094.2463923594.

Adding to 1310223457 its reverse (7543220131), we get a palindrome (8853443588).

The spelling of 1310223457 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, four hundred fifty-seven".