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BaseRepresentation
bin11000110010110011…
…11001111101111011
31021100200020010102112
430121121321331323
5204230121421243
610040503322535
7650601452501
oct143131717573
937320203375
1013311123323
115710866a73
1226b5a5044b
131341995744
14903bd6671
1552d90b818
hex319679f7b

13311123323 has 4 divisors (see below), whose sum is σ = 13311382848. Its totient is φ = 13310863800.

The previous prime is 13311123313. The next prime is 13311123347. The reversal of 13311123323 is 32332111331.

Adding to 13311123323 its reverse (32332111331), we get a palindrome (45643234654).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13311123323 - 24 = 13311123307 is a prime.

It is a super-2 number, since 2×133111233232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311123313) 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, 24203 + ... + 164948.

It is an arithmetic number, because the mean of its divisors is an integer number (3327845712).

Almost surely, 213311123323 is an apocalyptic number.

13311123323 is a deficient number, since it is larger than the sum of its proper divisors (259525).

13311123323 is an equidigital number, since it uses as much as digits as its factorization.

13311123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259524.

The product of its digits is 972, while the sum is 23.

The spelling of 13311123323 in words is "thirteen billion, three hundred eleven million, one hundred twenty-three thousand, three hundred twenty-three".

Divisors: 1 70373 189151 13311123323