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131121223303330 = 251317491120836803
BaseRepresentation
bin11101110100000100001001…
…111100000000000010100010
3122012021001210111110120110001
4131310010021330000002202
5114141242231131201310
61142512131452330214
736422124101426101
oct3564041174000242
9565231714416401
10131121223303330
1138863220260127
121285820847396a
1358218a82cb3c0
1424544301c6038
151025b6d3a593a
hex774109f000a2

131121223303330 has 64 divisors (see below), whose sum is σ = 269672945528448. Its totient is φ = 45473305328640.

The previous prime is 131121223303327. The next prime is 131121223303393. The reversal of 131121223303330 is 33303322121131.

It is a happy number.

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, 59333292 + ... + 61503511.

It is an arithmetic number, because the mean of its divisors is an integer number (4213639773882).

Almost surely, 2131121223303330 is an apocalyptic number.

131121223303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121223303330 is an abundant number, since it is smaller than the sum of its proper divisors (138551722225118).

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

131121223303330 is a wasteful number, since it uses less digits than its factorization.

131121223303330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120837331.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131121223303330 its reverse (33303322121131), we get a palindrome (164424545424461).

The spelling of 131121223303330 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred three thousand, three hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 491 982 1105 2210 2455 4910 6383 8347 12766 16694 31915 41735 63830 83470 108511 217022 542555 1085110 120836803 241673606 604184015 1208368030 1570878439 2054225651 3141756878 4108451302 7854392195 10271128255 15708784390 20542256510 26704933463 53409866926 59330870273 118661740546 133524667315 267049334630 296654351365 593308702730 771301313549 1008624794641 1542602627098 2017249589282 3856506567745 5043123973205 7713013135490 10086247946410 13112122330333 26224244660666 65560611651665 131121223303330