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1313222111302 = 210925312380069
BaseRepresentation
bin10011000111000010001…
…000110011000001000110
311122112122201002022010011
4103013002020303001012
5133003434330030202
62443141431220434
7163606603525003
oct23070210630106
94575581068104
101313222111302
11466a30712102
1219261751771a
1396ab44c583a
14477bb6108aa
152425eaecbd7
hex131c2233046

1313222111302 has 16 divisors (see below), whose sum is σ = 1988691289200. Its totient is φ = 650329780320.

The previous prime is 1313222111293. The next prime is 1313222111303. The reversal of 1313222111302 is 2031112223131.

It is a super-4 number, since 4×13132221113024 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313222111303) 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, 638277 + ... + 1741792.

It is an arithmetic number, because the mean of its divisors is an integer number (124293205575).

Almost surely, 21313222111302 is an apocalyptic number.

1313222111302 is a deficient number, since it is larger than the sum of its proper divisors (675469177898).

1313222111302 is a wasteful number, since it uses less digits than its factorization.

1313222111302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382711.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1313222111302 its reverse (2031112223131), we get a palindrome (3344334334433).

The spelling of 1313222111302 in words is "one trillion, three hundred thirteen billion, two hundred twenty-two million, one hundred eleven thousand, three hundred two".

Divisors: 1 2 109 218 2531 5062 275879 551758 2380069 4760138 259427521 518855042 6023954639 12047909278 656611055651 1313222111302