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1000234231 is a prime number
BaseRepresentation
bin111011100111100…
…101110011110111
32120201010011102021
4323213211303313
54022024443411
6243130254011
733533564533
oct7347456367
92521104367
101000234231
11473673867
1223ab87307
1312c2bc999
1496bacbc3
155cc2aa71
hex3b9e5cf7

1000234231 has 2 divisors, whose sum is σ = 1000234232. Its totient is φ = 1000234230.

The previous prime is 1000234211. The next prime is 1000234259. The reversal of 1000234231 is 1324320001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000234231 - 219 = 999709943 is a prime.

It is a super-2 number, since 2×10002342312 = 2000937033728322722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000234201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500117115 + 500117116.

It is an arithmetic number, because the mean of its divisors is an integer number (500117116).

Almost surely, 21000234231 is an apocalyptic number.

1000234231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000234231 is an equidigital number, since it uses as much as digits as its factorization.

1000234231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1000234231 is about 31626.4799021326. The cubic root of 1000234231 is about 1000.0780709048.

Adding to 1000234231 its reverse (1324320001), we get a palindrome (2324554232).

The spelling of 1000234231 in words is "one billion, two hundred thirty-four thousand, two hundred thirty-one".