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13031210441 = 234113818887
BaseRepresentation
bin11000010001011100…
…00111110111001001
31020122011112002010202
430020232013313021
5203141442213231
65553024021545
7640632314114
oct141056076711
936564462122
1013031210441
115587862307
1226381618b5
1312c89ab912
148b897157b
155140695cb
hex308b87dc9

13031210441 has 8 divisors (see below), whose sum is σ = 13929439104. Its totient is φ = 12160619680.

The previous prime is 13031210419. The next prime is 13031210471. The reversal of 13031210441 is 14401213031.

13031210441 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 not a de Polignac number, because 13031210441 - 26 = 13031210377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13031210471) 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, 6908501 + ... + 6910386.

It is an arithmetic number, because the mean of its divisors is an integer number (1741179888).

Almost surely, 213031210441 is an apocalyptic number.

It is an amenable number.

13031210441 is a deficient number, since it is larger than the sum of its proper divisors (898228663).

13031210441 is a wasteful number, since it uses less digits than its factorization.

13031210441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13818951.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13031210441 its reverse (14401213031), we get a palindrome (27432423472).

The spelling of 13031210441 in words is "thirteen billion, thirty-one million, two hundred ten thousand, four hundred forty-one".

Divisors: 1 23 41 943 13818887 317834401 566574367 13031210441