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131123121133007 is a prime number
BaseRepresentation
bin11101110100000101111011…
…000011101001010111001111
3122012021020200202120022100002
4131310011323003221113033
5114141310123002224012
61142513044045354515
736422222114626163
oct3564057303512717
9565236622508302
10131123121133007
1138864004563703
1212858657b68a3b
135821b1b552143
142454570286ca3
151025c2ecd57c2
hex77417b0e95cf

131123121133007 has 2 divisors, whose sum is σ = 131123121133008. Its totient is φ = 131123121133006.

The previous prime is 131123121132919. The next prime is 131123121133051. The reversal of 131123121133007 is 700331121321131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131123121133007 - 230 = 131122047391183 is a prime.

It is a super-2 number, since 2×1311231211330072 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131123121133087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561560566503 + 65561560566504.

It is an arithmetic number, because the mean of its divisors is an integer number (65561560566504).

Almost surely, 2131123121133007 is an apocalyptic number.

131123121133007 is a deficient number, since it is larger than the sum of its proper divisors (1).

131123121133007 is an equidigital number, since it uses as much as digits as its factorization.

131123121133007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

Adding to 131123121133007 its reverse (700331121321131), we get a palindrome (831454242454138).

The spelling of 131123121133007 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred thirty-three thousand, seven".