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13232223331 = 24154905491
BaseRepresentation
bin11000101001011001…
…11011010001100011
31021011011202120222121
430110230323101203
5204044422121311
610025004245111
7645623020405
oct142454732143
937134676877
1013232223331
115680277268
122693540797
13132b52bc62
148d7538b75
15526a23b71
hex314b3b463

13232223331 has 4 divisors (see below), whose sum is σ = 13287129064. Its totient is φ = 13177317600.

The previous prime is 13232223317. The next prime is 13232223337. The reversal of 13232223331 is 13332223231.

13232223331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332223231 = 43930369529.

It is a cyclic number.

It is not a de Polignac number, because 13232223331 - 217 = 13232092259 is a prime.

It is a super-2 number, since 2×132322233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232223296 and 13232223305.

It is not an unprimeable number, because it can be changed into a prime (13232223337) 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 3 ways as a sum of consecutive naturals, for example, 27452505 + ... + 27452986.

It is an arithmetic number, because the mean of its divisors is an integer number (3321782266).

Almost surely, 213232223331 is an apocalyptic number.

13232223331 is a deficient number, since it is larger than the sum of its proper divisors (54905733).

13232223331 is an equidigital number, since it uses as much as digits as its factorization.

13232223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54905732.

The product of its digits is 3888, while the sum is 25.

Adding to 13232223331 its reverse (13332223231), we get a palindrome (26564446562).

The spelling of 13232223331 in words is "thirteen billion, two hundred thirty-two million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 241 54905491 13232223331