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301442131 is a prime number
BaseRepresentation
bin10001111101111…
…010010001010011
3210000012211212101
4101331322101103
51104132122011
645524541231
710320134014
oct2175722123
9700184771
10301442131
11145179a31
1284b51817
134a5b4333
142c06b00b
151b6e62c1
hex11f7a453

301442131 has 2 divisors, whose sum is σ = 301442132. Its totient is φ = 301442130.

The previous prime is 301442129. The next prime is 301442143. The reversal of 301442131 is 131244103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 301442131 - 21 = 301442129 is a prime.

It is a super-2 number, since 2×3014421312 = 181734716683642322, which contains 22 as substring.

Together with 301442129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 301442099 and 301442108.

It is not a weakly prime, because it can be changed into another prime (301442231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150721065 + 150721066.

It is an arithmetic number, because the mean of its divisors is an integer number (150721066).

Almost surely, 2301442131 is an apocalyptic number.

301442131 is a deficient number, since it is larger than the sum of its proper divisors (1).

301442131 is an equidigital number, since it uses as much as digits as its factorization.

301442131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 301442131 is about 17362.0889008207. The cubic root of 301442131 is about 670.5039136221.

Adding to 301442131 its reverse (131244103), we get a palindrome (432686234).

The spelling of 301442131 in words is "three hundred one million, four hundred forty-two thousand, one hundred thirty-one".