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13311313 is a prime number
BaseRepresentation
bin110010110001…
…110101010001
3221001021200121
4302301311101
511401430223
61153150241
7221100331
oct62616521
927037617
1013311313
117571a94
12455b381
1329b0b22
141aa70c1
15127e15d
hexcb1d51

13311313 has 2 divisors, whose sum is σ = 13311314. Its totient is φ = 13311312.

The previous prime is 13311301. The next prime is 13311317. The reversal of 13311313 is 31311331.

13311313 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12194064 + 1117249 = 3492^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311313 - 25 = 13311281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13311317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655656 + 6655657.

It is an arithmetic number, because the mean of its divisors is an integer number (6655657).

Almost surely, 213311313 is an apocalyptic number.

It is an amenable number.

13311313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311313 is an equidigital number, since it uses as much as digits as its factorization.

13311313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81, while the sum is 16.

The square root of 13311313 is about 3648.4672124058. The cubic root of 13311313 is about 236.9956084097.

Adding to 13311313 its reverse (31311331), we get a palindrome (44622644).

The spelling of 13311313 in words is "thirteen million, three hundred eleven thousand, three hundred thirteen".