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1314430457 is a prime number
BaseRepresentation
bin100111001011000…
…1001110111111001
310101121022222121112
41032112021313321
510142443233312
6334232450105
744400321524
oct11626116771
93347288545
101314430457
11614a6406a
12308249935
1317c41b302
14c67d9bbb
157a5e0d22
hex4e589df9

1314430457 has 2 divisors, whose sum is σ = 1314430458. Its totient is φ = 1314430456.

The previous prime is 1314430417. The next prime is 1314430489. The reversal of 1314430457 is 7540344131.

It is an a-pointer prime, because the next prime (1314430489) can be obtained adding 1314430457 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820879801 + 493550656 = 28651^2 + 22216^2 .

It is an emirp because it is prime and its reverse (7540344131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1314430457 - 228 = 1045995001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1314430417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657215228 + 657215229.

It is an arithmetic number, because the mean of its divisors is an integer number (657215229).

Almost surely, 21314430457 is an apocalyptic number.

It is an amenable number.

1314430457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314430457 is an equidigital number, since it uses as much as digits as its factorization.

1314430457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1314430457 is about 36255.0749137276. The cubic root of 1314430457 is about 1095.4163139719.

Adding to 1314430457 its reverse (7540344131), we get a palindrome (8854774588).

The spelling of 1314430457 in words is "one billion, three hundred fourteen million, four hundred thirty thousand, four hundred fifty-seven".