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103030111 is a prime number
BaseRepresentation
bin1100010010000…
…01110101011111
321011212110202001
412021001311133
5202333430421
614120143131
72360512222
oct611016537
9234773661
10103030111
1153181058
122a607aa7
1318464a82
14d97d5b9
1590a2691
hex6241d5f

103030111 has 2 divisors, whose sum is σ = 103030112. Its totient is φ = 103030110.

The previous prime is 103030099. The next prime is 103030117. The reversal of 103030111 is 111030301.

It is a strong prime.

It is an emirp because it is prime and its reverse (111030301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103030111 - 217 = 102899039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103030117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515055 + 51515056.

It is an arithmetic number, because the mean of its divisors is an integer number (51515056).

Almost surely, 2103030111 is an apocalyptic number.

103030111 is a deficient number, since it is larger than the sum of its proper divisors (1).

103030111 is an equidigital number, since it uses as much as digits as its factorization.

103030111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 103030111 is about 10150.3749191840. The cubic root of 103030111 is about 468.8004888787.

Adding to 103030111 its reverse (111030301), we get a palindrome (214060412).

It can be divided in two parts, 1030301 and 11, that multiplied together give a palindrome (11333311).

The spelling of 103030111 in words is "one hundred three million, thirty thousand, one hundred eleven".