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231214043 is a prime number
BaseRepresentation
bin11011100100000…
…00101111011011
3121010001220001002
431302000233123
5433142322133
634535415215
75505200264
oct1562005733
9533056032
10231214043
11109572595
126552450b
1338b95a58
14229c996b
1515472ce8
hexdc80bdb

231214043 has 2 divisors, whose sum is σ = 231214044. Its totient is φ = 231214042.

The previous prime is 231214019. The next prime is 231214099. The reversal of 231214043 is 340412132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231214043 - 210 = 231213019 is a prime.

It is not a weakly prime, because it can be changed into another prime (231214003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115607021 + 115607022.

It is an arithmetic number, because the mean of its divisors is an integer number (115607022).

Almost surely, 2231214043 is an apocalyptic number.

231214043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231214043 is an equidigital number, since it uses as much as digits as its factorization.

231214043 is an odious number, because the sum of its binary digits is odd.

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

The square root of 231214043 is about 15205.7240209074. The cubic root of 231214043 is about 613.7686982218.

Adding to 231214043 its reverse (340412132), we get a palindrome (571626175).

The spelling of 231214043 in words is "two hundred thirty-one million, two hundred fourteen thousand, forty-three".