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431212043 is a prime number
BaseRepresentation
bin11001101100111…
…100011000001011
31010001101211201102
4121230330120023
51340342241133
6110442212015
713454145653
oct3154743013
91101354642
10431212043
11201453a99
121004b400b
136b44c172
14413ab363
1527ccb7e8
hex19b3c60b

431212043 has 2 divisors, whose sum is σ = 431212044. Its totient is φ = 431212042.

The previous prime is 431212013. The next prime is 431212063. The reversal of 431212043 is 340212134.

It is an a-pointer prime, because the next prime (431212063) can be obtained adding 431212043 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431212043 - 28 = 431211787 is a prime.

It is not a weakly prime, because it can be changed into another prime (431212003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215606021 + 215606022.

It is an arithmetic number, because the mean of its divisors is an integer number (215606022).

Almost surely, 2431212043 is an apocalyptic number.

431212043 is a deficient number, since it is larger than the sum of its proper divisors (1).

431212043 is an equidigital number, since it uses as much as digits as its factorization.

431212043 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 431212043 is about 20765.6457400197. The cubic root of 431212043 is about 755.4927374300.

Adding to 431212043 its reverse (340212134), we get a palindrome (771424177).

Subtracting from 431212043 its reverse (340212134), we obtain a palindrome (90999909).

The spelling of 431212043 in words is "four hundred thirty-one million, two hundred twelve thousand, forty-three".