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1311310203330 = 23597467396431
BaseRepresentation
bin10011000101010000001…
…011011100100111000010
311122100201110111022102210
4103011100023130213002
5132441030403001310
62442224012322550
7163511326551201
oct23052013344702
94570643438383
101311310203330
1146613a473376
12192183173456
139686b382b4a
1447679727238
152419bd3b820
hex131502dc9c2

1311310203330 has 64 divisors (see below), whose sum is σ = 3180302673408. Its totient is φ = 346000097280.

The previous prime is 1311310203283. The next prime is 1311310203361. The reversal of 1311310203330 is 333020131131.

It is a junction number, because it is equal to n+sod(n) for n = 1311310203297 and 1311310203306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13550215 + ... + 13646645.

It is an arithmetic number, because the mean of its divisors is an integer number (49692229272).

Almost surely, 21311310203330 is an apocalyptic number.

1311310203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311310203330 is an abundant number, since it is smaller than the sum of its proper divisors (1868992470078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311310203330 is a wasteful number, since it uses less digits than its factorization.

1311310203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101211.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1311310203330 its reverse (333020131131), we get a palindrome (1644330334461).

The spelling of 1311310203330 in words is "one trillion, three hundred eleven billion, three hundred ten million, two hundred three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 970 1455 2910 4673 9346 14019 23365 28038 46730 70095 96431 140190 192862 289293 453281 482155 578586 906562 964310 1359843 1446465 2266405 2719686 2892930 4532810 6799215 9353807 13598430 18707614 28061421 46769035 56122842 93538070 140307105 280614210 450622063 901244126 1351866189 2253110315 2703732378 4506220630 6759330945 13518661890 43710340111 87420680222 131131020333 218551700555 262262040666 437103401110 655655101665 1311310203330