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13122231330223 is a prime number
BaseRepresentation
bin1011111011110100000111…
…1011111110010110101111
31201110110202212022110102001
42332331001323332112233
53204443312210031343
643524134142113131
72523023060641621
oct276750173762657
951413685273361
1013122231330223
1141aa11a543284
12157b21487b7a7
13742562223712
14335195842c11
1517b51549744d
hexbef41efe5af

13122231330223 has 2 divisors, whose sum is σ = 13122231330224. Its totient is φ = 13122231330222.

The previous prime is 13122231330127. The next prime is 13122231330233. The reversal of 13122231330223 is 32203313222131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13122231330223 - 241 = 10923208074671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13122231330191 and 13122231330200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13122231330233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561115665111 + 6561115665112.

It is an arithmetic number, because the mean of its divisors is an integer number (6561115665112).

Almost surely, 213122231330223 is an apocalyptic number.

13122231330223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122231330223 is an equidigital number, since it uses as much as digits as its factorization.

13122231330223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13122231330223 its reverse (32203313222131), we get a palindrome (45325544552354).

The spelling of 13122231330223 in words is "thirteen trillion, one hundred twenty-two billion, two hundred thirty-one million, three hundred thirty thousand, two hundred twenty-three".