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311321020110113 = 13431633416717189
BaseRepresentation
bin100011011001001010001001…
…0110100001001010100100001
31111211021222222011120112011102
41012302110102310021110201
5311301140422122010423
63022042522514524145
7122401126045611656
oct10662242264112441
91454258864515142
10311321020110113
1190218559803562
122ab00123896655
13104935a5490b40
1456c4036a99c2d
1525ed292c97c28
hex11b2512d09521

311321020110113 has 16 divisors (see below), whose sum is σ = 345170437402560. Its totient is φ = 278968124965824.

The previous prime is 311321020110097. The next prime is 311321020110127. The reversal of 311321020110113 is 311011020123113.

It is a cyclic number.

It is not a de Polignac number, because 311321020110113 - 24 = 311321020110097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311321020110173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708267478 + ... + 1708449711.

It is an arithmetic number, because the mean of its divisors is an integer number (21573152337660).

Almost surely, 2311321020110113 is an apocalyptic number.

It is an amenable number.

311321020110113 is a deficient number, since it is larger than the sum of its proper divisors (33849417292447).

311321020110113 is a wasteful number, since it uses less digits than its factorization.

311321020110113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416717408.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 311321020110113 its reverse (311011020123113), we get a palindrome (622332040233226).

The spelling of 311321020110113 in words is "three hundred eleven trillion, three hundred twenty-one billion, twenty million, one hundred ten thousand, one hundred thirteen".

Divisors: 1 13 43 163 559 2119 7009 91117 3416717189 44417323457 146918839127 556924901807 1909944908651 7240023723491 23947770777701 311321020110113