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300142231 is a prime number
BaseRepresentation
bin10001111000111…
…100111010010111
3202220202210201221
4101320330322113
51103314022411
645441031211
710303111144
oct2170747227
9686683657
10300142231
11144471334
1284625507
134a24a76c
142bc0d3cb
151b53b071
hex11e3ce97

300142231 has 2 divisors, whose sum is σ = 300142232. Its totient is φ = 300142230.

The previous prime is 300142211. The next prime is 300142237. The reversal of 300142231 is 132241003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 300142231 - 213 = 300134039 is a prime.

It is a super-2 number, since 2×3001422312 = 180170717659314722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300142237) 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, 150071115 + 150071116.

It is an arithmetic number, because the mean of its divisors is an integer number (150071116).

Almost surely, 2300142231 is an apocalyptic number.

300142231 is a deficient number, since it is larger than the sum of its proper divisors (1).

300142231 is an equidigital number, since it uses as much as digits as its factorization.

300142231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 300142231 is about 17324.6134444610. The cubic root of 300142231 is about 669.5387268319.

Adding to 300142231 its reverse (132241003), we get a palindrome (432383234).

The spelling of 300142231 in words is "three hundred million, one hundred forty-two thousand, two hundred thirty-one".