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230739031 is a prime number
BaseRepresentation
bin11011100000011…
…00110001010111
3121002011202110001
431300030301113
5433032122111
634521312131
75501151355
oct1560146127
9532152401
10230739031
11109278716
1265335647
1338a5a793
14229047d5
15153cc1c1
hexdc0cc57

230739031 has 2 divisors, whose sum is σ = 230739032. Its totient is φ = 230739030.

The previous prime is 230739017. The next prime is 230739043. The reversal of 230739031 is 130937032.

230739031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230739031 - 25 = 230738999 is a prime.

It is a super-2 number, since 2×2307390312 = 106481000853637922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230739001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115369515 + 115369516.

It is an arithmetic number, because the mean of its divisors is an integer number (115369516).

Almost surely, 2230739031 is an apocalyptic number.

230739031 is a deficient number, since it is larger than the sum of its proper divisors (1).

230739031 is an equidigital number, since it uses as much as digits as its factorization.

230739031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 230739031 is about 15190.0964776396. The cubic root of 230739031 is about 613.3480960595.

The spelling of 230739031 in words is "two hundred thirty million, seven hundred thirty-nine thousand, thirty-one".