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231812041 is a prime number
BaseRepresentation
bin11011101000100…
…10101111001001
3121011012021100011
431310102233021
5433320441131
635000311521
75513240566
oct1564225711
9534167304
10231812041
111099408aa
12657725a1
1339044cb6
1422b0386d
15155400b1
hexdd12bc9

231812041 has 2 divisors, whose sum is σ = 231812042. Its totient is φ = 231812040.

The previous prime is 231812023. The next prime is 231812059. The reversal of 231812041 is 140218132.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (231812023) and next prime (231812059).

It can be written as a sum of positive squares in only one way, i.e., 195860025 + 35952016 = 13995^2 + 5996^2 .

It is a cyclic number.

It is not a de Polignac number, because 231812041 - 211 = 231809993 is a prime.

It is not a weakly prime, because it can be changed into another prime (231812081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115906020 + 115906021.

It is an arithmetic number, because the mean of its divisors is an integer number (115906021).

Almost surely, 2231812041 is an apocalyptic number.

It is an amenable number.

231812041 is a deficient number, since it is larger than the sum of its proper divisors (1).

231812041 is an equidigital number, since it uses as much as digits as its factorization.

231812041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 231812041 is about 15225.3749050721. The cubic root of 231812041 is about 614.2973807643.

The spelling of 231812041 in words is "two hundred thirty-one million, eight hundred twelve thousand, forty-one".