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1315435441 is a prime number
BaseRepresentation
bin100111001100111…
…1111001110110001
310101200020001012011
41032121333032301
510143222413231
6334310202521
744412005515
oct11631771661
93350201164
101315435441
11615590131
12308653441
1317c6b0888
14c69bc145
157a73d9b1
hex4e67f3b1

1315435441 has 2 divisors, whose sum is σ = 1315435442. Its totient is φ = 1315435440.

The previous prime is 1315435439. The next prime is 1315435487. The reversal of 1315435441 is 1445345131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761539216 + 553896225 = 27596^2 + 23535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315435441 - 21 = 1315435439 is a prime.

Together with 1315435439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1315432441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657717720 + 657717721.

It is an arithmetic number, because the mean of its divisors is an integer number (657717721).

Almost surely, 21315435441 is an apocalyptic number.

It is an amenable number.

1315435441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315435441 is an equidigital number, since it uses as much as digits as its factorization.

1315435441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 1315435441 is about 36268.9321734181. The cubic root of 1315435441 is about 1095.6954197534.

The spelling of 1315435441 in words is "one billion, three hundred fifteen million, four hundred thirty-five thousand, four hundred forty-one".