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12031100003 = 131483162401
BaseRepresentation
bin10110011010001110…
…00000010001100011
31011001110122012112102
423031013000101203
5144114430200003
65305500121015
7604066443206
oct131507002143
934043565472
1012031100003
11511427355a
1223b923616b
1311997333b0
14821bd593d
154a6365588
hex2cd1c0463

12031100003 has 8 divisors (see below), whose sum is σ = 12957650496. Its totient is φ = 11104704000.

The previous prime is 12031099987. The next prime is 12031100041. The reversal of 12031100003 is 30000113021.

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

It is not a de Polignac number, because 12031100003 - 24 = 12031099987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031100203) 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, 161603 + ... + 224003.

It is an arithmetic number, because the mean of its divisors is an integer number (1619706312).

Almost surely, 212031100003 is an apocalyptic number.

12031100003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12031100003 is a deficient number, since it is larger than the sum of its proper divisors (926550493).

12031100003 is a wasteful number, since it uses less digits than its factorization.

12031100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77245.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 12031100003 its reverse (30000113021), we get a palindrome (42031213024).

The spelling of 12031100003 in words is "twelve billion, thirty-one million, one hundred thousand, three".

Divisors: 1 13 14831 62401 192803 811213 925469231 12031100003