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331212103231130 = 251129103828245527
BaseRepresentation
bin100101101001111000101001…
…1110000100010011010011010
31121102201120022221201022011022
41023103301103300202122122
5321403034341411344010
63132232423434202442
7126523166452506422
oct11323612360423232
91542646287638138
10331212103231130
119659729a657320
123119315b283422
13112a7223798994
145bb0a7391b482
1528458c0b85d55
hex12d3c53c2269a

331212103231130 has 32 divisors (see below), whose sum is σ = 672807031021440. Its totient is φ = 116287634989120.

The previous prime is 331212103231109. The next prime is 331212103231153. The reversal of 331212103231130 is 31132301212133.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331212103231130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51914119574 + ... + 51914125953.

It is an arithmetic number, because the mean of its divisors is an integer number (21025219719420).

Almost surely, 2331212103231130 is an apocalyptic number.

331212103231130 is an abundant number, since it is smaller than the sum of its proper divisors (341594927790310).

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

331212103231130 is a wasteful number, since it uses less digits than its factorization.

331212103231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103828245574.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 331212103231130 its reverse (31132301212133), we get a palindrome (362344404443263).

The spelling of 331212103231130 in words is "three hundred thirty-one trillion, two hundred twelve billion, one hundred three million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 103828245527 207656491054 519141227635 1038282455270 1142110700797 2284221401594 3011019120283 5710553503985 6022038240566 11421107007970 15055095601415 30110191202830 33121210323113 66242420646226 165606051615565 331212103231130