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103030313 is a prime number
BaseRepresentation
bin1100010010000…
…01111000101001
321011212111000112
412021001320221
5202333432223
614120144105
72360512631
oct611017051
9234774015
10103030313
1153181221
122a608035
1318464ba9
14d97d6c1
1590a2778
hex6241e29

103030313 has 2 divisors, whose sum is σ = 103030314. Its totient is φ = 103030312.

The previous prime is 103030309. The next prime is 103030327. The reversal of 103030313 is 313030301.

It is an a-pointer prime, because the next prime (103030327) can be obtained adding 103030313 to its sum of digits (14).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99042304 + 3988009 = 9952^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 103030313 - 22 = 103030309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103030303) 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, 51515156 + 51515157.

It is an arithmetic number, because the mean of its divisors is an integer number (51515157).

Almost surely, 2103030313 is an apocalyptic number.

It is an amenable number.

103030313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103030313 is an equidigital number, since it uses as much as digits as its factorization.

103030313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 103030313 is about 10150.3848695505. The cubic root of 103030313 is about 468.8007952540.

Adding to 103030313 its reverse (313030301), we get a palindrome (416060614).

The spelling of 103030313 in words is "one hundred three million, thirty thousand, three hundred thirteen".