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230504831 is a prime number
BaseRepresentation
bin11011011110100…
…11100101111111
3121001201212011222
431233103211333
5433002123311
634512303555
75466154514
oct1557234577
9531655158
10230504831
11109128767
1265241bbb
13389a7cbb
142288330b
1515382adb
hexdbd397f

230504831 has 2 divisors, whose sum is σ = 230504832. Its totient is φ = 230504830.

The previous prime is 230504761. The next prime is 230504839. The reversal of 230504831 is 138405032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230504831 is a prime.

It is a super-2 number, since 2×2305048312 = 106264954228677122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230504831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230504839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115252415 + 115252416.

It is an arithmetic number, because the mean of its divisors is an integer number (115252416).

Almost surely, 2230504831 is an apocalyptic number.

230504831 is a deficient number, since it is larger than the sum of its proper divisors (1).

230504831 is an equidigital number, since it uses as much as digits as its factorization.

230504831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 230504831 is about 15182.3855503672. The cubic root of 230504831 is about 613.1405098077.

Adding to 230504831 its reverse (138405032), we get a palindrome (368909863).

The spelling of 230504831 in words is "two hundred thirty million, five hundred four thousand, eight hundred thirty-one".