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130215311 is a prime number
BaseRepresentation
bin1111100001011…
…10110110001111
3100002000121211022
413300232312033
5231313342221
620530544355
73140545322
oct760566617
9302017738
10130215311
1167559766
12377380bb
1320c927a5
14134187b9
15b6724ab
hex7c2ed8f

130215311 has 2 divisors, whose sum is σ = 130215312. Its totient is φ = 130215310.

The previous prime is 130215289. The next prime is 130215343. The reversal of 130215311 is 113512031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130215311 - 214 = 130198927 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130215311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130215391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65107655 + 65107656.

It is an arithmetic number, because the mean of its divisors is an integer number (65107656).

Almost surely, 2130215311 is an apocalyptic number.

130215311 is a deficient number, since it is larger than the sum of its proper divisors (1).

130215311 is an equidigital number, since it uses as much as digits as its factorization.

130215311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 130215311 is about 11411.1923566295. The cubic root of 130215311 is about 506.8592199127.

Adding to 130215311 its reverse (113512031), we get a palindrome (243727342).

The spelling of 130215311 in words is "one hundred thirty million, two hundred fifteen thousand, three hundred eleven".