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103211197 is a prime number
BaseRepresentation
bin1100010011011…
…10000010111101
321012012200010221
412021232002331
5202410224242
614124101341
72362165165
oct611560275
9235180127
10103211197
1153295111
122a694851
13184c931b
14d9c95a5
1590db167
hex626e0bd

103211197 has 2 divisors, whose sum is σ = 103211198. Its totient is φ = 103211196.

The previous prime is 103211153. The next prime is 103211231. The reversal of 103211197 is 791112301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53494596 + 49716601 = 7314^2 + 7051^2 .

It is a cyclic number.

It is not a de Polignac number, because 103211197 - 215 = 103178429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103211117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605598 + 51605599.

It is an arithmetic number, because the mean of its divisors is an integer number (51605599).

Almost surely, 2103211197 is an apocalyptic number.

It is an amenable number.

103211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211197 is an equidigital number, since it uses as much as digits as its factorization.

103211197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 103211197 is about 10159.2911662182. The cubic root of 103211197 is about 469.0749831239.

Adding to 103211197 its reverse (791112301), we get a palindrome (894323498).

The spelling of 103211197 in words is "one hundred three million, two hundred eleven thousand, one hundred ninety-seven".