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213031231011330 = 2358387384664207
BaseRepresentation
bin110000011100000000110010…
…110110011011101000000010
31000221021120211202210100022020
4300130000302312123220002
5210410300430114330310
62033025110235022310
762604666332313324
oct6034006266335002
91027246752710266
10213031231011330
1161973046214106
121ba86a6829a996
1391b39b3370c54
143a86aa3777614
151996670464170
hexc1c032d9ba02

213031231011330 has 32 divisors (see below), whose sum is σ = 511281056289024. Its totient is φ = 56807650285056.

The previous prime is 213031231011281. The next prime is 213031231011457. The reversal of 213031231011330 is 33110132130312.

It is a self number, because there is not a number n which added to its sum of digits gives 213031231011330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39815914 + ... + 44848293.

It is an arithmetic number, because the mean of its divisors is an integer number (15977533009032).

Almost surely, 2213031231011330 is an apocalyptic number.

213031231011330 is an abundant number, since it is smaller than the sum of its proper divisors (298249825277694).

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

213031231011330 is a wasteful number, since it uses less digits than its factorization.

213031231011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84748090.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 213031231011330 its reverse (33110132130312), we get a palindrome (246141363141642).

The spelling of 213031231011330 in words is "two hundred thirteen trillion, thirty-one billion, two hundred thirty-one million, eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 83873 167746 251619 419365 503238 838730 1258095 2516190 84664207 169328414 253992621 423321035 507985242 846642070 1269963105 2539926210 7101041033711 14202082067422 21303123101133 35505205168555 42606246202266 71010410337110 106515615505665 213031231011330