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1382431067 is a prime number
BaseRepresentation
bin101001001100110…
…0011100101011011
310120100021202220122
41102121203211123
510312400243232
6345102143455
746154320163
oct12231434533
93510252818
101382431067
1164a389a16
12326b81b8b
13190539a64
14d185b5a3
1581574312
hex5266395b

1382431067 has 2 divisors, whose sum is σ = 1382431068. Its totient is φ = 1382431066.

The previous prime is 1382431049. The next prime is 1382431087. The reversal of 1382431067 is 7601342831.

It is a weak prime.

It is an emirp because it is prime and its reverse (7601342831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1382431067 - 28 = 1382430811 is a prime.

It is a super-2 number, since 2×13824310672 = 3822231310013516978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1382431087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691215533 + 691215534.

It is an arithmetic number, because the mean of its divisors is an integer number (691215534).

Almost surely, 21382431067 is an apocalyptic number.

1382431067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382431067 is an equidigital number, since it uses as much as digits as its factorization.

1382431067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1382431067 is about 37181.0579058746. The cubic root of 1382431067 is about 1113.9896649259.

Adding to 1382431067 its reverse (7601342831), we get a palindrome (8983773898).

The spelling of 1382431067 in words is "one billion, three hundred eighty-two million, four hundred thirty-one thousand, sixty-seven".