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12031112353 = 13925470181
BaseRepresentation
bin10110011010001110…
…00011010010100001
31011001110122211110211
423031013003102201
5144114431043403
65305500254121
7604066524211
oct131507032241
934043584424
1012031112353
115114281867
1223b9241341
131199738bc0
14821bda241
154a636906d
hex2cd1c34a1

12031112353 has 4 divisors (see below), whose sum is σ = 12956582548. Its totient is φ = 11105642160.

The previous prime is 12031112299. The next prime is 12031112371. The reversal of 12031112353 is 35321113021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35321113021 = 47751513043.

It can be written as a sum of positive squares in 2 ways, for example, as 3856782609 + 8174329744 = 62103^2 + 90412^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031112353 - 225 = 11997557921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031112053) 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, 462735078 + ... + 462735103.

It is an arithmetic number, because the mean of its divisors is an integer number (3239145637).

Almost surely, 212031112353 is an apocalyptic number.

12031112353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12031112353 is a deficient number, since it is larger than the sum of its proper divisors (925470195).

12031112353 is an equidigital number, since it uses as much as digits as its factorization.

12031112353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925470194.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 12031112353 its reverse (35321113021), we get a palindrome (47352225374).

The spelling of 12031112353 in words is "twelve billion, thirty-one million, one hundred twelve thousand, three hundred fifty-three".

Divisors: 1 13 925470181 12031112353