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13441331 is a prime number
BaseRepresentation
bin110011010001…
…100100110011
3221021220001002
4303101210303
511420110311
61200032215
7222151361
oct63214463
927256032
1013441331
117650742
12460266b
132a28067
141adc631
1512a793b
hexcd1933

13441331 has 2 divisors, whose sum is σ = 13441332. Its totient is φ = 13441330.

The previous prime is 13441313. The next prime is 13441343. The reversal of 13441331 is 13314431.

13441331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (13441313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13441331 - 210 = 13440307 is a prime.

It is a super-2 number, since 2×134413312 = 361338758103122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13441391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720665 + 6720666.

It is an arithmetic number, because the mean of its divisors is an integer number (6720666).

Almost surely, 213441331 is an apocalyptic number.

13441331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13441331 is an equidigital number, since it uses as much as digits as its factorization.

13441331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 13441331 is about 3666.2420814780. The cubic root of 13441331 is about 237.7647264230.

Adding to 13441331 its reverse (13314431), we get a palindrome (26755762).

The spelling of 13441331 in words is "thirteen million, four hundred forty-one thousand, three hundred thirty-one".