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13311110123 = 47439164499
BaseRepresentation
bin11000110010110011…
…10110101111101011
31021100200012110022122
430121121312233223
5204230121010443
610040503141455
7650601366143
oct143131665753
937320173278
1013311110123
115710858063
1226b5a4488b
13134198c72c
14903bd1923
1552d907968
hex319676beb

13311110123 has 8 divisors (see below), whose sum is σ = 13597632000. Its totient is φ = 13024726120.

The previous prime is 13311110093. The next prime is 13311110129. The reversal of 13311110123 is 32101111331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13311110123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311110129) 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, 174128 + ... + 238626.

It is an arithmetic number, because the mean of its divisors is an integer number (1699704000).

Almost surely, 213311110123 is an apocalyptic number.

13311110123 is a deficient number, since it is larger than the sum of its proper divisors (286521877).

13311110123 is an equidigital number, since it uses as much as digits as its factorization.

13311110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68937.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13311110123 its reverse (32101111331), we get a palindrome (45412221454).

The spelling of 13311110123 in words is "thirteen billion, three hundred eleven million, one hundred ten thousand, one hundred twenty-three".

Divisors: 1 47 4391 64499 206377 3031453 283215109 13311110123