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1313312201103 = 37312017376653
BaseRepresentation
bin10011000111000111100…
…000011101100110001111
311122112212222121100002110
4103013013200131212033
5133004130410413403
62443154410155103
7163612046343330
oct23070740354617
94575788540073
101313312201103
11466a77554991
12192641722a93
1396aca079606
14477c9582287
1524267996103
hex131c781d98f

1313312201103 has 16 divisors (see below), whose sum is σ = 2065793693696. Its totient is φ = 726255594720.

The previous prime is 1313312200973. The next prime is 1313312201107. The reversal of 1313312201103 is 3011022133131.

It is a happy number.

It is not a de Polignac number, because 1313312201103 - 224 = 1313295423887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 1313312201103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313312201107) 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, 1008687676 + ... + 1008688977.

It is an arithmetic number, because the mean of its divisors is an integer number (129112105856).

Almost surely, 21313312201103 is an apocalyptic number.

1313312201103 is a deficient number, since it is larger than the sum of its proper divisors (752481492593).

1313312201103 is a wasteful number, since it uses less digits than its factorization.

1313312201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017376694.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313312201103 its reverse (3011022133131), we get a palindrome (4324334334234).

The spelling of 1313312201103 in words is "one trillion, three hundred thirteen billion, three hundred twelve million, two hundred one thousand, one hundred three".

Divisors: 1 3 7 21 31 93 217 651 2017376653 6052129959 14121636571 42364909713 62538676243 187616028729 437770733701 1313312201103