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103222231261 is a prime number
BaseRepresentation
bin110000000100010000…
…1100100000011011101
3100212102201211122120021
41200020201210003131
53142344342400021
6115230350352141
710312641326512
oct1401041440335
9325381748507
10103222231261
113a85a293146
1218008abb651
139970263166
144dd2d95309
152a42079c41
hex18088640dd

103222231261 has 2 divisors, whose sum is σ = 103222231262. Its totient is φ = 103222231260.

The previous prime is 103222231169. The next prime is 103222231271. The reversal of 103222231261 is 162132222301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91878703225 + 11343528036 = 303115^2 + 106506^2 .

It is a cyclic number.

It is not a de Polignac number, because 103222231261 - 233 = 94632296669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103222231271) 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, 51611115630 + 51611115631.

It is an arithmetic number, because the mean of its divisors is an integer number (51611115631).

Almost surely, 2103222231261 is an apocalyptic number.

It is an amenable number.

103222231261 is a deficient number, since it is larger than the sum of its proper divisors (1).

103222231261 is an equidigital number, since it uses as much as digits as its factorization.

103222231261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 103222231261 its reverse (162132222301), we get a palindrome (265354453562).

The spelling of 103222231261 in words is "one hundred three billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred sixty-one".