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103043131 is a prime number
BaseRepresentation
bin1100010010001…
…01000000111011
321011220010121021
412021011000323
5202334340011
614120323311
72360565202
oct611050073
9234803537
10103043131
115318a914
122a613537
131846a989
14d984239
1590a6471
hex624503b

103043131 has 2 divisors, whose sum is σ = 103043132. Its totient is φ = 103043130.

The previous prime is 103043123. The next prime is 103043147. The reversal of 103043131 is 131340301.

It is an a-pointer prime, because the next prime (103043147) can be obtained adding 103043131 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103043131 - 23 = 103043123 is a prime.

It is a super-2 number, since 2×1030431312 = 21235773692566322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103046131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521565 + 51521566.

It is an arithmetic number, because the mean of its divisors is an integer number (51521566).

Almost surely, 2103043131 is an apocalyptic number.

103043131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103043131 is an equidigital number, since it uses as much as digits as its factorization.

103043131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103043131 is about 10151.0162545432. The cubic root of 103043131 is about 468.8202356149.

Adding to 103043131 its reverse (131340301), we get a palindrome (234383432).

The spelling of 103043131 in words is "one hundred three million, forty-three thousand, one hundred thirty-one".