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311013220011330 = 23576913481283919
BaseRepresentation
bin100011010110111010110100…
…0011111111100110101000010
31111210012120111001101102102210
41012231311220133330311002
5311231120033310330310
63021245300102322550
7122336651345132454
oct10655655037746502
91453176431342383
10311013220011330
1190109a69664631
122aa70542129456
1310470561670485
1456b3197a482d4
1525e527a928820
hex11add687fcd42

311013220011330 has 32 divisors (see below), whose sum is σ = 747402380524800. Its totient is φ = 82829008392192.

The previous prime is 311013220011223. The next prime is 311013220011343. The reversal of 311013220011330 is 33110022310113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311013220011297 and 311013220011306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6740618890 + ... + 6740665029.

It is an arithmetic number, because the mean of its divisors is an integer number (23356324391400).

Almost surely, 2311013220011330 is an apocalyptic number.

311013220011330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311013220011330 is an abundant number, since it is smaller than the sum of its proper divisors (436389160513470).

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

311013220011330 is a wasteful number, since it uses less digits than its factorization.

311013220011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481284698.

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

Adding to 311013220011330 its reverse (33110022310113), we get a palindrome (344123242321443).

The spelling of 311013220011330 in words is "three hundred eleven trillion, thirteen billion, two hundred twenty million, eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 769 1538 2307 3845 4614 7690 11535 23070 13481283919 26962567838 40443851757 67406419595 80887703514 134812839190 202219258785 404438517570 10367107333711 20734214667422 31101322001133 51835536668555 62202644002266 103671073337110 155506610005665 311013220011330