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1330311131 is a prime number
BaseRepresentation
bin100111101001010…
…1110111111011011
310102201012210210122
41033102232333123
510211024424011
6340001103455
744652313052
oct11722567733
93381183718
101330311131
11622a20496
12311627b8b
131827bb766
14c8971399
157bbcb3db
hex4f4aefdb

1330311131 has 2 divisors, whose sum is σ = 1330311132. Its totient is φ = 1330311130.

The previous prime is 1330311121. The next prime is 1330311139. The reversal of 1330311131 is 1311130331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330311131 - 218 = 1330048987 is a prime.

It is a super-2 number, since 2×13303111312 = 3539455410524998322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1330311139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665155565 + 665155566.

It is an arithmetic number, because the mean of its divisors is an integer number (665155566).

Almost surely, 21330311131 is an apocalyptic number.

1330311131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330311131 is an equidigital number, since it uses as much as digits as its factorization.

1330311131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1330311131 is about 36473.4304802825. The cubic root of 1330311131 is about 1099.8101961771.

Adding to 1330311131 its reverse (1311130331), we get a palindrome (2641441462).

The spelling of 1330311131 in words is "one billion, three hundred thirty million, three hundred eleven thousand, one hundred thirty-one".