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103207331 is a prime number
BaseRepresentation
bin1100010011011…
…01000110100011
321012012110211202
412021231012203
5202410113311
614124031415
72362151003
oct611550643
9235173752
10103207331
1153292217
122a69256b
13184c7636
14d9c8003
1590d9e3b
hex626d1a3

103207331 has 2 divisors, whose sum is σ = 103207332. Its totient is φ = 103207330.

The previous prime is 103207309. The next prime is 103207333. The reversal of 103207331 is 133702301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103207331 - 226 = 36098467 is a prime.

It is a super-2 number, since 2×1032073312 = 21303506344287122, which contains 22 as substring.

Together with 103207333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103207333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51603665 + 51603666.

It is an arithmetic number, because the mean of its divisors is an integer number (51603666).

Almost surely, 2103207331 is an apocalyptic number.

103207331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103207331 is an equidigital number, since it uses as much as digits as its factorization.

103207331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 103207331 is about 10159.1008952564. The cubic root of 103207331 is about 469.0691263094.

Adding to 103207331 its reverse (133702301), we get a palindrome (236909632).

The spelling of 103207331 in words is "one hundred three million, two hundred seven thousand, three hundred thirty-one".