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1320110303231 = 29110344419293
BaseRepresentation
bin10011001101011100101…
…101001010011111111111
311200012102202102201001202
4103031130231022133333
5133112041214200411
62450241133130115
7164242364302136
oct23153455123777
94605382381052
101320110303231
1146994593a705
12193a1a32993b
13976415b2455
1447c7238491d
15245146cd83b
hex1335cb4a7ff

1320110303231 has 16 divisors (see below), whose sum is σ = 1367324357760. Its totient is φ = 1273009946880.

The previous prime is 1320110303221. The next prime is 1320110303251. The reversal of 1320110303231 is 1323030110231.

It is not a de Polignac number, because 1320110303231 - 222 = 1320106108927 is a prime.

It is a super-2 number, since 2×13201103032312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320110303221) 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, 142049621 + ... + 142058913.

It is an arithmetic number, because the mean of its divisors is an integer number (85457772360).

Almost surely, 21320110303231 is an apocalyptic number.

1320110303231 is a deficient number, since it is larger than the sum of its proper divisors (47214054529).

1320110303231 is a wasteful number, since it uses less digits than its factorization.

1320110303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14866.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1320110303231 its reverse (1323030110231), we get a palindrome (2643140413462).

The spelling of 1320110303231 in words is "one trillion, three hundred twenty billion, one hundred ten million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 29 1103 4441 9293 31987 128789 269497 4898423 10250179 41270213 142054267 297255191 1196836177 45521044939 1320110303231