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13031231133030 = 2351139488579191
BaseRepresentation
bin1011110110100001000111…
…1001110001010101100110
31201010202212220101110200020
42331220101321301111212
53202000430132224110
643414244232100010
72513322025013355
oct275502171612546
951122786343606
1013031231133030
114174572284240
121565658b34606
13736abc1255a6
14330a01b8599c
15178e8b3ead70
hexbda11e71566

13031231133030 has 32 divisors (see below), whose sum is σ = 34118132421888. Its totient is φ = 3159086335200.

The previous prime is 13031231133029. The next prime is 13031231133049. The reversal of 13031231133030 is 3033113213031.

It is a congruent number.

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, 19744289266 + ... + 19744289925.

It is an arithmetic number, because the mean of its divisors is an integer number (1066191638184).

Almost surely, 213031231133030 is an apocalyptic number.

13031231133030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031231133030 is an abundant number, since it is smaller than the sum of its proper divisors (21086901288858).

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

13031231133030 is a wasteful number, since it uses less digits than its factorization.

13031231133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39488579212.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 13031231133030 its reverse (3033113213031), we get a palindrome (16064344346061).

The spelling of 13031231133030 in words is "thirteen trillion, thirty-one billion, two hundred thirty-one million, one hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 39488579191 78977158382 118465737573 197442895955 236931475146 394885791910 434374371101 592328687865 868748742202 1184657375730 1303123113303 2171871855505 2606246226606 4343743711010 6515615566515 13031231133030