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11231101011 = 3132312812543
BaseRepresentation
bin10100111010110110…
…10000000001010011
31001222201022001020010
422131123100001103
5141000130213021
65054241250003
7545213532504
oct123533200123
931881261203
1011231101011
114843733469
122215333903
13109ca80b00
1478786abab
1545aedd976
hex29d6d0053

11231101011 has 48 divisors (see below), whose sum is σ = 16804564992. Its totient is φ = 6662073600.

The previous prime is 11231100973. The next prime is 11231101081. The reversal of 11231101011 is 11010113211.

It is not a de Polignac number, because 11231101011 - 27 = 11231100883 is a prime.

It is a super-2 number, since 2×112311010112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231101081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4415206 + ... + 4417748.

It is an arithmetic number, because the mean of its divisors is an integer number (350095104).

Almost surely, 211231101011 is an apocalyptic number.

11231101011 is a deficient number, since it is larger than the sum of its proper divisors (5573463981).

11231101011 is a wasteful number, since it uses less digits than its factorization.

11231101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11231101011 its reverse (11010113211), we get a palindrome (22241214222).

The spelling of 11231101011 in words is "eleven billion, two hundred thirty-one million, one hundred one thousand, eleven".

Divisors: 1 3 13 31 39 93 169 281 403 507 843 1209 2543 3653 5239 7629 8711 10959 15717 26133 33059 47489 78833 99177 113243 142467 236499 339729 429767 714583 1024829 1289301 1472159 2143749 3074487 4416477 9289579 13322777 22152073 27868737 39968331 66456219 120764527 287976949 362293581 863930847 3743700337 11231101011