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1320430567 is a prime number
BaseRepresentation
bin100111010110100…
…0010101111100111
310102000121211012211
41032231002233213
510201012234232
6335005224251
744502321541
oct11655025747
93360554184
101320430567
11618392035
1230a262087
1318073c381
14c751c691
157adc8a47
hex4eb42be7

1320430567 has 2 divisors, whose sum is σ = 1320430568. Its totient is φ = 1320430566.

The previous prime is 1320430513. The next prime is 1320430607. The reversal of 1320430567 is 7650340231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320430567 - 211 = 1320428519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320433567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660215283 + 660215284.

It is an arithmetic number, because the mean of its divisors is an integer number (660215284).

Almost surely, 21320430567 is an apocalyptic number.

1320430567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320430567 is an equidigital number, since it uses as much as digits as its factorization.

1320430567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1320430567 is about 36337.7292493628. The cubic root of 1320430567 is about 1097.0805690712.

Adding to 1320430567 its reverse (7650340231), we get a palindrome (8970770798).

The spelling of 1320430567 in words is "one billion, three hundred twenty million, four hundred thirty thousand, five hundred sixty-seven".