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1313210312011 = 1333671628689
BaseRepresentation
bin10011000111000001011…
…011110010010101001011
311122112121212212211112101
4103013001123302111023
5133003423314441021
62443140330254231
7163606401322513
oct23070133622513
94575555784471
101313210312011
11466a24a93124
12192613587377
1396ab1c24000
14477b9c1c843
152425da6ba91
hex131c16f254b

1313210312011 has 16 divisors (see below), whose sum is σ = 1426471849600. Its totient is φ = 1208890410624.

The previous prime is 1313210311993. The next prime is 1313210312027. The reversal of 1313210312011 is 1102130123131.

It is not a de Polignac number, because 1313210312011 - 217 = 1313210180939 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 1313210312011.

It is not an unprimeable number, because it can be changed into a prime (1313210312111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8046 + ... + 1620643.

It is an arithmetic number, because the mean of its divisors is an integer number (89154490600).

Almost surely, 21313210312011 is an apocalyptic number.

1313210312011 is a deficient number, since it is larger than the sum of its proper divisors (113261537589).

1313210312011 is an equidigital number, since it uses as much as digits as its factorization.

1313210312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629095 (or 1629069 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1313210312011 its reverse (1102130123131), we get a palindrome (2415340435142).

The spelling of 1313210312011 in words is "one trillion, three hundred thirteen billion, two hundred ten million, three hundred twelve thousand, eleven".

Divisors: 1 13 169 367 2197 4771 62023 806299 1628689 21172957 275248441 597728863 3578229733 7770475219 101016177847 1313210312011