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13016231 is a prime number
BaseRepresentation
bin110001101001…
…110010100111
3220111021220122
4301221302213
511313004411
61142552155
7215431124
oct61516247
926437818
1013016231
117390318
12443865b
132909717
141a2b74b
1512219db
hexc69ca7

13016231 has 2 divisors, whose sum is σ = 13016232. Its totient is φ = 13016230.

The previous prime is 13016209. The next prime is 13016239. The reversal of 13016231 is 13261031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13016231 - 218 = 12754087 is a prime.

It is a super-2 number, since 2×130162312 = 338844538890722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13016239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508115 + 6508116.

It is an arithmetic number, because the mean of its divisors is an integer number (6508116).

Almost surely, 213016231 is an apocalyptic number.

13016231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13016231 is an equidigital number, since it uses as much as digits as its factorization.

13016231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13016231 is about 3607.8014080600. The cubic root of 13016231 is about 235.2312858004.

Adding to 13016231 its reverse (13261031), we get a palindrome (26277262).

It can be divided in two parts, 130 and 16231, that added together give a palindrome (16361).

The spelling of 13016231 in words is "thirteen million, sixteen thousand, two hundred thirty-one".