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11313331 is a prime number
BaseRepresentation
bin101011001010…
…000010110011
3210021202222021
4223022002303
510344011311
61042252311
7165106321
oct53120263
923252867
1011313331
116427967
123957097
1324615a3
141706d11
15ed7171
hexaca0b3

11313331 has 2 divisors, whose sum is σ = 11313332. Its totient is φ = 11313330.

The previous prime is 11313329. The next prime is 11313371. The reversal of 11313331 is 13331311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11313331 - 21 = 11313329 is a prime.

It is a super-2 number, since 2×113133312 = 255982916631122, which contains 22 as substring.

Together with 11313329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11313301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656665 + 5656666.

It is an arithmetic number, because the mean of its divisors is an integer number (5656666).

Almost surely, 211313331 is an apocalyptic number.

11313331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313331 is an equidigital number, since it uses as much as digits as its factorization.

11313331 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11313331 is about 3363.5295449869. The cubic root of 11313331 is about 224.4899127912.

Adding to 11313331 its reverse (13331311), we get a palindrome (24644642).

The spelling of 11313331 in words is "eleven million, three hundred thirteen thousand, three hundred thirty-one".