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13223132341 = 50925978649
BaseRepresentation
bin11000101000010100…
…01111110010110101
31021010112122201111021
430110022033302311
5204040110213331
610024041341141
7645452525146
oct142412176265
937115581437
1013223132341
115676128051
1226904977b1
131329698083
148d624dacd
15525d2a211
hex31428fcb5

13223132341 has 4 divisors (see below), whose sum is σ = 13249111500. Its totient is φ = 13197153184.

The previous prime is 13223132317. The next prime is 13223132347. The reversal of 13223132341 is 14323132231.

13223132341 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: 14323132231 = 67213778093.

It can be written as a sum of positive squares in 2 ways, for example, as 12331214116 + 891918225 = 111046^2 + 29865^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223132341 - 25 = 13223132309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223132347) 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, 12988816 + ... + 12989833.

It is an arithmetic number, because the mean of its divisors is an integer number (3312277875).

Almost surely, 213223132341 is an apocalyptic number.

It is an amenable number.

13223132341 is a deficient number, since it is larger than the sum of its proper divisors (25979159).

13223132341 is an equidigital number, since it uses as much as digits as its factorization.

13223132341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25979158.

The product of its digits is 2592, while the sum is 25.

Adding to 13223132341 its reverse (14323132231), we get a palindrome (27546264572).

The spelling of 13223132341 in words is "thirteen billion, two hundred twenty-three million, one hundred thirty-two thousand, three hundred forty-one".

Divisors: 1 509 25978649 13223132341