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12031133313 = 38234872877
BaseRepresentation
bin10110011010001110…
…01000011010000001
31011001110200220020010
423031013020122001
5144114432231223
65305500535133
7604066642263
oct131507103201
934043626203
1012031133313
115114296591
1223b92514a9
1311997455c4
14821c03b33
154a6370393
hex2cd1c8681

12031133313 has 8 divisors (see below), whose sum is σ = 16061005888. Its totient is φ = 8011008144.

The previous prime is 12031133293. The next prime is 12031133321. The reversal of 12031133313 is 31333113021.

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

It is not a de Polignac number, because 12031133313 - 28 = 12031133057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12031133313.

It is not an unprimeable number, because it can be changed into a prime (12031133353) 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, 2433970 + ... + 2438907.

It is an arithmetic number, because the mean of its divisors is an integer number (2007625736).

Almost surely, 212031133313 is an apocalyptic number.

It is an amenable number.

12031133313 is a deficient number, since it is larger than the sum of its proper divisors (4029872575).

12031133313 is an equidigital number, since it uses as much as digits as its factorization.

12031133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873703.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12031133313 its reverse (31333113021), we get a palindrome (43364246334).

The spelling of 12031133313 in words is "twelve billion, thirty-one million, one hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 3 823 2469 4872877 14618631 4010377771 12031133313