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231310463 is a prime number
BaseRepresentation
bin11011100100110…
…00010001111111
3121010020210022012
431302120101333
5433203413323
634541441435
75506051346
oct1562302177
9533223265
10231310463
11109628a7a
126557027b
1338bca8c7
1422a12b5d
1515491678
hexdc9847f

231310463 has 2 divisors, whose sum is σ = 231310464. Its totient is φ = 231310462.

The previous prime is 231310447. The next prime is 231310481. The reversal of 231310463 is 364013132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231310463 - 24 = 231310447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231310433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655231 + 115655232.

It is an arithmetic number, because the mean of its divisors is an integer number (115655232).

Almost surely, 2231310463 is an apocalyptic number.

231310463 is a deficient number, since it is larger than the sum of its proper divisors (1).

231310463 is an equidigital number, since it uses as much as digits as its factorization.

231310463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 231310463 is about 15208.8942070093. The cubic root of 231310463 is about 613.8540035269.

Adding to 231310463 its reverse (364013132), we get a palindrome (595323595).

The spelling of 231310463 in words is "two hundred thirty-one million, three hundred ten thousand, four hundred sixty-three".