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11103131234 = 213427043509
BaseRepresentation
bin10100101011100110…
…00101011001100010
31001122210111111200202
422111303011121202
5140214400144414
65033430345202
7542101025666
oct122563053142
931583444622
1011103131234
114788478918
12219a4bb202
13107c3c6450
147748788a6
1544eb619de
hex295cc5662

11103131234 has 8 divisors (see below), whose sum is σ = 17935827420. Its totient is φ = 5124522096.

The previous prime is 11103131233. The next prime is 11103131257. The reversal of 11103131234 is 43213130111.

It can be written as a sum of positive squares in 2 ways, for example, as 9885330625 + 1217800609 = 99425^2 + 34897^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11103131233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213521729 + ... + 213521780.

Almost surely, 211103131234 is an apocalyptic number.

11103131234 is a deficient number, since it is larger than the sum of its proper divisors (6832696186).

11103131234 is a wasteful number, since it uses less digits than its factorization.

11103131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427043524.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11103131234 its reverse (43213130111), we get a palindrome (54316261345).

The spelling of 11103131234 in words is "eleven billion, one hundred three million, one hundred thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 13 26 427043509 854087018 5551565617 11103131234