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321111105353 = 5312314921771
BaseRepresentation
bin1001010110000111011…
…01101001111101001001
31010200211210012021222222
410223003231221331021
520230113420332403
6403303313223425
732125301234423
oct4530355517511
91120753167888
10321111105353
11114200936205
1252297561b75
1324385774c1c
1411782c17813
158545c56338
hex4ac3b69f49

321111105353 has 8 divisors (see below), whose sum is σ = 327435647616. Its totient is φ = 314796409200.

The previous prime is 321111105347. The next prime is 321111105379. The reversal of 321111105353 is 353501111123.

It is a happy number.

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 321111105353 - 222 = 321106911049 is a prime.

It is a super-2 number, since 2×3211111053532 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321111105853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2395643 + ... + 2526128.

It is an arithmetic number, because the mean of its divisors is an integer number (40929455952).

Almost surely, 2321111105353 is an apocalyptic number.

It is an amenable number.

321111105353 is a deficient number, since it is larger than the sum of its proper divisors (6324542263).

321111105353 is a wasteful number, since it uses less digits than its factorization.

321111105353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923055.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 321111105353 its reverse (353501111123), we get a palindrome (674612216476).

The spelling of 321111105353 in words is "three hundred twenty-one billion, one hundred eleven million, one hundred five thousand, three hundred fifty-three".

Divisors: 1 53 1231 65243 4921771 260853863 6058700101 321111105353