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430225931 is a prime number
BaseRepresentation
bin11001101001001…
…011101000001011
31002222112202000202
4121221023220023
51340114212211
6110405122415
713442601002
oct3151135013
91088482022
10430225931
11200940123
121000b940b
136b195375
14411d1c39
1527b8453b
hex19a4ba0b

430225931 has 2 divisors, whose sum is σ = 430225932. Its totient is φ = 430225930.

The previous prime is 430225927. The next prime is 430225937. The reversal of 430225931 is 139522034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 430225931 - 22 = 430225927 is a prime.

It is a super-2 number, since 2×4302259312 = 370188703409633522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 430225894 and 430225903.

It is not a weakly prime, because it can be changed into another prime (430225937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215112965 + 215112966.

It is an arithmetic number, because the mean of its divisors is an integer number (215112966).

Almost surely, 2430225931 is an apocalyptic number.

430225931 is a deficient number, since it is larger than the sum of its proper divisors (1).

430225931 is an equidigital number, since it uses as much as digits as its factorization.

430225931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 430225931 is about 20741.8883180871. Note that the first 3 decimals coincide. The cubic root of 430225931 is about 754.9164014275.

Adding to 430225931 its reverse (139522034), we get a palindrome (569747965).

The spelling of 430225931 in words is "four hundred thirty million, two hundred twenty-five thousand, nine hundred thirty-one".