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254312331331 is a prime number
BaseRepresentation
bin1110110011011000110…
…0100011100001000011
3220022102110111222121111
43230312030203201003
513131312424100311
6312455055504151
724242045102212
oct3546614434103
9808373458544
10254312331331
1198942754643
1241354828057
131ac9b608136
14c447429079
1569366d6d21
hex3b36323843

254312331331 has 2 divisors, whose sum is σ = 254312331332. Its totient is φ = 254312331330.

The previous prime is 254312331313. The next prime is 254312331359. The reversal of 254312331331 is 133133213452.

It is a happy number.

Together with previous prime (254312331313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254312331331 - 211 = 254312329283 is a prime.

It is a super-2 number, since 2×2543123313312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254312331293 and 254312331302.

It is not a weakly prime, because it can be changed into another prime (254312331311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127156165665 + 127156165666.

It is an arithmetic number, because the mean of its divisors is an integer number (127156165666).

Almost surely, 2254312331331 is an apocalyptic number.

254312331331 is a deficient number, since it is larger than the sum of its proper divisors (1).

254312331331 is an equidigital number, since it uses as much as digits as its factorization.

254312331331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

Adding to 254312331331 its reverse (133133213452), we get a palindrome (387445544783).

The spelling of 254312331331 in words is "two hundred fifty-four billion, three hundred twelve million, three hundred thirty-one thousand, three hundred thirty-one".