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12331011 = 371153381
BaseRepresentation
bin101111000010…
…100000000011
3212012110222010
4233002200003
511124043021
61120144003
7206545320
oct57024003
925173863
1012331011
116a62520
124168003
132729874
1418cdb47
151138976
hexbc2803

12331011 has 16 divisors (see below), whose sum is σ = 20498688. Its totient is φ = 6405600.

The previous prime is 12330991. The next prime is 12331049. The reversal of 12331011 is 11013321.

It is not a de Polignac number, because 12331011 - 25 = 12330979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12330011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26460 + ... + 26921.

It is an arithmetic number, because the mean of its divisors is an integer number (1281168).

Almost surely, 212331011 is an apocalyptic number.

12331011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12331011 is a deficient number, since it is larger than the sum of its proper divisors (8167677).

12331011 is a wasteful number, since it uses less digits than its factorization.

12331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53402.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12331011 is about 3511.5539295303. The cubic root of 12331011 is about 231.0288564240.

Adding to 12331011 its reverse (11013321), we get a palindrome (23344332).

It can be divided in two parts, 123310 and 11, that added together give a palindrome (123321).

The spelling of 12331011 in words is "twelve million, three hundred thirty-one thousand, eleven".

Divisors: 1 3 7 11 21 33 77 231 53381 160143 373667 587191 1121001 1761573 4110337 12331011