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10031210197 is a prime number
BaseRepresentation
bin10010101011110100…
…00001111011010101
3221220002111021110121
421111322001323111
5131020442211242
64335215351541
7503403610531
oct112572017325
927802437417
1010031210197
1142883a1768
121b3b5225b1
13c3b2c7248
146b2368bc1
153da9c5667
hex255e81ed5

10031210197 has 2 divisors, whose sum is σ = 10031210198. Its totient is φ = 10031210196.

The previous prime is 10031210153. The next prime is 10031210207. The reversal of 10031210197 is 79101213001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5098816836 + 4932393361 = 71406^2 + 70231^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031210197 - 27 = 10031210069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031210897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015605098 + 5015605099.

It is an arithmetic number, because the mean of its divisors is an integer number (5015605099).

Almost surely, 210031210197 is an apocalyptic number.

It is an amenable number.

10031210197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031210197 is an equidigital number, since it uses as much as digits as its factorization.

10031210197 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.

Adding to 10031210197 its reverse (79101213001), we get a palindrome (89132423198).

The spelling of 10031210197 in words is "ten billion, thirty-one million, two hundred ten thousand, one hundred ninety-seven".