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13155450512131 is a prime number
BaseRepresentation
bin1011111101101111110111…
…1101000110001100000011
31201120122111222001202011201
42333123331331012030003
53211014330312342011
643551310332322031
72525310220221514
oct277337575061403
951518458052151
1013155450512131
114212216941324
121585745913317
13745727512285
14336a2762aa0b
1517c30ba0ccc1
hexbf6fdf46303

13155450512131 has 2 divisors, whose sum is σ = 13155450512132. Its totient is φ = 13155450512130.

The previous prime is 13155450512027. The next prime is 13155450512167. The reversal of 13155450512131 is 13121505455131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13155450512131 - 237 = 13018011558659 is a prime.

It is a super-2 number, since 2×131554505121312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13155450515131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577725256065 + 6577725256066.

It is an arithmetic number, because the mean of its divisors is an integer number (6577725256066).

Almost surely, 213155450512131 is an apocalyptic number.

13155450512131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155450512131 is an equidigital number, since it uses as much as digits as its factorization.

13155450512131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 37.

Adding to 13155450512131 its reverse (13121505455131), we get a palindrome (26276955967262).

The spelling of 13155450512131 in words is "thirteen trillion, one hundred fifty-five billion, four hundred fifty million, five hundred twelve thousand, one hundred thirty-one".