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31103313123227 is a prime number
BaseRepresentation
bin1110001001001110011011…
…11011100001011110011011
311002010110002100222121212112
413010213031323201132123
513034044041124420402
6150052355332302535
76360066044244152
oct704471573413633
9132113070877775
1031103313123227
119a0192843a614
1235a4044771a4b
131448050742b67
147975a0888599
1538e106570e52
hex1c49cdee179b

31103313123227 has 2 divisors, whose sum is σ = 31103313123228. Its totient is φ = 31103313123226.

The previous prime is 31103313123167. The next prime is 31103313123247. The reversal of 31103313123227 is 72232131330113.

It is a strong prime.

It is an emirp because it is prime and its reverse (72232131330113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31103313123227 - 224 = 31103296346011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31103313123193 and 31103313123202.

It is not a weakly prime, because it can be changed into another prime (31103313123247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551656561613 + 15551656561614.

It is an arithmetic number, because the mean of its divisors is an integer number (15551656561614).

Almost surely, 231103313123227 is an apocalyptic number.

31103313123227 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103313123227 is an equidigital number, since it uses as much as digits as its factorization.

31103313123227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 31103313123227 in words is "thirty-one trillion, one hundred three billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-seven".