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311100103211111 = 5872671198421243
BaseRepresentation
bin100011010111100011010001…
…1001001000011100001100111
31111210111212202002110021102222
41012233012203021003201213
5311234031002410223421
63021353225303022555
7122346145400140064
oct10657064311034147
91453455662407388
10311100103211111
11901428a3999575
122aa8534b13aa5b
13104787c9834866
1456b747aa17c6b
1525e766333dcab
hex11af1a3243867

311100103211111 has 8 divisors (see below), whose sum is σ = 311746759613184. Its totient is φ = 310453843658040.

The previous prime is 311100103211101. The next prime is 311100103211123. The reversal of 311100103211111 is 111112301001113.

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 a de Polignac number, because none of the positive numbers 2k-311100103211111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311100103211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311100103211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97642745 + ... + 100778498.

It is an arithmetic number, because the mean of its divisors is an integer number (38968344951648).

Almost surely, 2311100103211111 is an apocalyptic number.

311100103211111 is a deficient number, since it is larger than the sum of its proper divisors (646656402073).

311100103211111 is a wasteful number, since it uses less digits than its factorization.

311100103211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198424501.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 311100103211111 its reverse (111112301001113), we get a palindrome (422212404212224).

The spelling of 311100103211111 in words is "three hundred eleven trillion, one hundred billion, one hundred three million, two hundred eleven thousand, one hundred eleven".

Divisors: 1 587 2671 1567877 198421243 116473269641 529983140053 311100103211111