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13031411223 = 325117305991
BaseRepresentation
bin11000010001011101…
…11000111000010111
31020122011220021120010
430020232320320113
5203142020124343
65553032211303
7640634111355
oct141056707027
936564807503
1013031411223
11558798a146
122638239b33
1312c8a4c11c
148b89c47d5
155140a8d33
hex308bb8e17

13031411223 has 8 divisors (see below), whose sum is σ = 17444439936. Its totient is φ = 8652995000.

The previous prime is 13031411221. The next prime is 13031411227. The reversal of 13031411223 is 32211413031.

13031411223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13031411223 - 21 = 13031411221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13031411223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031411221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8652243 + ... + 8653748.

It is an arithmetic number, because the mean of its divisors is an integer number (2180554992).

Almost surely, 213031411223 is an apocalyptic number.

13031411223 is a deficient number, since it is larger than the sum of its proper divisors (4413028713).

13031411223 is a wasteful number, since it uses less digits than its factorization.

13031411223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306245.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13031411223 its reverse (32211413031), we get a palindrome (45242824254).

The spelling of 13031411223 in words is "thirteen billion, thirty-one million, four hundred eleven thousand, two hundred twenty-three".

Divisors: 1 3 251 753 17305991 51917973 4343803741 13031411223