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1331321130210 = 235316721366091
BaseRepresentation
bin10011010111111000111…
…011000100110011100010
311201021101001120201112210
4103113320323010303202
5133303021202131320
62455333412102550
7165120243614661
oct23277073046342
94637331521483
101331321130210
11473679085975
12196028904a56
139870a0b5196
1448617254dd8
152496da150e0
hex135f8ec4ce2

1331321130210 has 64 divisors (see below), whose sum is σ = 3347468365824. Its totient is φ = 338438865600.

The previous prime is 1331321130193. The next prime is 1331321130257. The reversal of 1331321130210 is 120311231331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10620736 + ... + 10745355.

It is an arithmetic number, because the mean of its divisors is an integer number (52304193216).

Almost surely, 21331321130210 is an apocalyptic number.

1331321130210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331321130210 is an abundant number, since it is smaller than the sum of its proper divisors (2016147235614).

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

1331321130210 is a wasteful number, since it uses less digits than its factorization.

1331321130210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21366199.

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

Adding to 1331321130210 its reverse (120311231331), we get a palindrome (1451632361541).

The spelling of 1331321130210 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred thirty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 67 93 134 155 186 201 310 335 402 465 670 930 1005 2010 2077 4154 6231 10385 12462 20770 31155 62310 21366091 42732182 64098273 106830455 128196546 213660910 320491365 640982730 662348821 1324697642 1431528097 1987046463 2863056194 3311744105 3974092926 4294584291 6623488210 7157640485 8589168582 9935232315 14315280970 19870464630 21472921455 42945842910 44377371007 88754742014 133132113021 221886855035 266264226042 443773710070 665660565105 1331321130210