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103322381 is a prime number
BaseRepresentation
bin1100010100010…
…01001100001101
321012102022122212
412022021030031
5202422304011
614130320205
72363140301
oct612111415
9235368585
10103322381
11533606a8
122a729065
1318537b06
14da17d01
15910e08b
hex628930d

103322381 has 2 divisors, whose sum is σ = 103322382. Its totient is φ = 103322380.

The previous prime is 103322377. The next prime is 103322423. The reversal of 103322381 is 183223301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94672900 + 8649481 = 9730^2 + 2941^2 .

It is a cyclic number.

It is not a de Polignac number, because 103322381 - 22 = 103322377 is a prime.

It is a super-2 number, since 2×1033223812 = 21351028831018322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103322881) 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, 51661190 + 51661191.

It is an arithmetic number, because the mean of its divisors is an integer number (51661191).

Almost surely, 2103322381 is an apocalyptic number.

It is an amenable number.

103322381 is a deficient number, since it is larger than the sum of its proper divisors (1).

103322381 is an equidigital number, since it uses as much as digits as its factorization.

103322381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 103322381 is about 10164.7617286388. The cubic root of 103322381 is about 469.2433592891.

Adding to 103322381 its reverse (183223301), we get a palindrome (286545682).

The spelling of 103322381 in words is "one hundred three million, three hundred twenty-two thousand, three hundred eighty-one".