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13311019 = 41973347
BaseRepresentation
bin110010110001…
…110000101011
3221001021021201
4302301300223
511401423034
61153145031
7221066431
oct62616053
927037251
1013311019
117571847
12455b177
1329b0957
141aa6d51
15127e014
hexcb1c2b

13311019 has 8 divisors (see below), whose sum is σ = 13780368. Its totient is φ = 12848640.

The previous prime is 13311007. The next prime is 13311031. The reversal of 13311019 is 91011331.

It is a happy number.

13311019 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 an interprime number because it is at equal distance from previous prime (13311007) and next prime (13311031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13311019 - 213 = 13302827 is a prime.

It is a super-2 number, since 2×133110192 = 354366453636722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310987 and 13311005.

It is not an unprimeable number, because it can be changed into a prime (13311619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304 + ... + 5650.

It is an arithmetic number, because the mean of its divisors is an integer number (1722546).

Almost surely, 213311019 is an apocalyptic number.

13311019 is a deficient number, since it is larger than the sum of its proper divisors (469349).

13311019 is an equidigital number, since it uses as much as digits as its factorization.

13311019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 13311019 is about 3648.4269212909. The cubic root of 13311019 is about 236.9938635975.

The spelling of 13311019 in words is "thirteen million, three hundred eleven thousand, nineteen".

Divisors: 1 41 97 3347 3977 137227 324659 13311019