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4012403231 is a prime number
BaseRepresentation
bin1110111100101000…
…0110101000011111
3101100122001012111002
43233022012220133
531204133400411
61502051420515
7201300602414
oct35712065037
911318035432
104012403231
111779995a31
1293b8b473b
134bc3750c5
142a0c6210b
151873c533b
hexef286a1f

4012403231 has 2 divisors, whose sum is σ = 4012403232. Its totient is φ = 4012403230.

The previous prime is 4012403203. The next prime is 4012403233. The reversal of 4012403231 is 1323042104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4012403231 - 26 = 4012403167 is a prime.

It is a super-3 number, since 3×40124032313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 4012403233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012403233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006201615 + 2006201616.

It is an arithmetic number, because the mean of its divisors is an integer number (2006201616).

Almost surely, 24012403231 is an apocalyptic number.

4012403231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012403231 is an equidigital number, since it uses as much as digits as its factorization.

4012403231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4012403231 is about 63343.5334584360. The cubic root of 4012403231 is about 1589.0401008367.

Adding to 4012403231 its reverse (1323042104), we get a palindrome (5335445335).

The spelling of 4012403231 in words is "four billion, twelve million, four hundred three thousand, two hundred thirty-one".