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1311012210311 = 87831125113267
BaseRepresentation
bin10011000100111110011…
…010101100011010000111
311122022221200202200212022
4103010332122230122013
5132434423111212221
62442134245313355
7163501050630656
oct23047632543207
94568850680768
101311012210311
11465aa723a851
121920bb40585b
139682170870b
144764bd1719d
1524180ac74ab
hex1313e6ac687

1311012210311 has 8 divisors (see below), whose sum is σ = 1311376852224. Its totient is φ = 1310647635000.

The previous prime is 1311012210289. The next prime is 1311012210349. The reversal of 1311012210311 is 1130122101131.

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 1311012210311 - 218 = 1311011948167 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 1311012210311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311012212311) 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, 98810900 + ... + 98824166.

It is an arithmetic number, because the mean of its divisors is an integer number (163922106528).

Almost surely, 21311012210311 is an apocalyptic number.

1311012210311 is a deficient number, since it is larger than the sum of its proper divisors (364641913).

1311012210311 is a wasteful number, since it uses less digits than its factorization.

1311012210311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33301.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1311012210311 its reverse (1130122101131), we get a palindrome (2441134311442).

The spelling of 1311012210311 in words is "one trillion, three hundred eleven billion, twelve million, two hundred ten thousand, three hundred eleven".

Divisors: 1 8783 11251 13267 98817533 116524061 149267017 1311012210311