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11103003131 = 1149114091459
BaseRepresentation
bin10100101011100101…
…00110000111111011
31001122210020222222012
422111302212013323
5140214332100011
65033423520135
7542066653343
oct122562460773
931583228865
1011103003131
1147883a0650
12219a45904b
13107c38004c
14774843d23
1544eb38a8b
hex295ca61fb

11103003131 has 16 divisors (see below), whose sum is σ = 12153974400. Its totient is φ = 10059033600.

The previous prime is 11103003113. The next prime is 11103003137. The reversal of 11103003131 is 13130030111.

It is a happy number.

It is not a de Polignac number, because 11103003131 - 214 = 11102986747 is a prime.

It is a super-2 number, since 2×111030031312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103003137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7609280 + ... + 7610738.

It is an arithmetic number, because the mean of its divisors is an integer number (759623400).

Almost surely, 211103003131 is an apocalyptic number.

11103003131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11103003131 is a deficient number, since it is larger than the sum of its proper divisors (1050971269).

11103003131 is a wasteful number, since it uses less digits than its factorization.

11103003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11103003131 its reverse (13130030111), we get a palindrome (24233033242).

The spelling of 11103003131 in words is "eleven billion, one hundred three million, three thousand, one hundred thirty-one".

Divisors: 1 11 491 1409 1459 5401 15499 16049 691819 716369 2055731 7610009 7880059 22613041 1009363921 11103003131