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324431 is a prime number
BaseRepresentation
bin1001111001101001111
3121111000222
41033031033
540340211
610541555
72520602
oct1171517
9544028
10324431
11201828
121378bb
13b4893
1486339
15661db
hex4f34f

324431 has 2 divisors, whose sum is σ = 324432. Its totient is φ = 324430.

The previous prime is 324427. The next prime is 324437. The reversal of 324431 is 134423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 324431 - 22 = 324427 is a prime.

It is a super-2 number, since 2×3244312 = 210510947522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162215 + 162216.

It is an arithmetic number, because the mean of its divisors is an integer number (162216).

2324431 is an apocalyptic number.

324431 is a deficient number, since it is larger than the sum of its proper divisors (1).

324431 is an equidigital number, since it uses as much as digits as its factorization.

324431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 17.

The square root of 324431 is about 569.5884479166. The cubic root of 324431 is about 68.7132961107.

Adding to 324431 its reverse (134423), we get a palindrome (458854).

The spelling of 324431 in words is "three hundred twenty-four thousand, four hundred thirty-one".