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13326457231 is a prime number
BaseRepresentation
bin11000110100101000…
…11001100110001111
31021101202002011121001
430122110121212033
5204243033112411
610042212121131
7651146005663
oct143224314617
937352064531
1013326457231
11571948a61a
1226bb0061a7
131344c04069
14905c688a3
1552ee39dc1
hex31a51998f

13326457231 has 2 divisors, whose sum is σ = 13326457232. Its totient is φ = 13326457230.

The previous prime is 13326457169. The next prime is 13326457247. The reversal of 13326457231 is 13275462331.

13326457231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13326457231 - 29 = 13326456719 is a prime.

It is a super-2 number, since 2×133264572312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13326457271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6663228615 + 6663228616.

It is an arithmetic number, because the mean of its divisors is an integer number (6663228616).

Almost surely, 213326457231 is an apocalyptic number.

13326457231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13326457231 is an equidigital number, since it uses as much as digits as its factorization.

13326457231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The spelling of 13326457231 in words is "thirteen billion, three hundred twenty-six million, four hundred fifty-seven thousand, two hundred thirty-one".