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11131319 = 89181691
BaseRepresentation
bin101010011101…
…100110110111
3202221112022002
4222131212313
510322200234
61034325515
7163420553
oct52354667
922845262
1011131319
116313141
12388989b
1323c97a4
14169a863
15e9d27e
hexa9d9b7

11131319 has 8 divisors (see below), whose sum is σ = 11334960. Its totient is φ = 10929600.

The previous prime is 11131279. The next prime is 11131327. The reversal of 11131319 is 91313111.

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 11131319 - 28 = 11131063 is a prime.

It is a super-2 number, since 2×111313192 = 247812525359522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131349) 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, 15764 + ... + 16454.

It is an arithmetic number, because the mean of its divisors is an integer number (1416870).

Almost surely, 211131319 is an apocalyptic number.

11131319 is a deficient number, since it is larger than the sum of its proper divisors (203641).

11131319 is an equidigital number, since it uses as much as digits as its factorization.

11131319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its digits is 81, while the sum is 20.

The square root of 11131319 is about 3336.3631397077. The cubic root of 11131319 is about 223.2795130329.

The spelling of 11131319 in words is "eleven million, one hundred thirty-one thousand, three hundred nineteen".

Divisors: 1 89 181 691 16109 61499 125071 11131319