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103131111310 = 2556318318137
BaseRepresentation
bin110000000001100010…
…1111101111110001110
3100212012101101021111021
41200003011331332032
53142203031030220
6115213333344354
710310453660623
oct1400305757616
9325171337437
10103131111310
113a8129073a7
1217ba24980ba
13995740b526
144dc4c3634a
152a3907b4aa
hex180317df8e

103131111310 has 16 divisors (see below), whose sum is σ = 185965736976. Its totient is φ = 41179169728.

The previous prime is 103131111287. The next prime is 103131111331. The reversal of 103131111310 is 13111131301.

It is a super-2 number, since 2×1031311113102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9153439 + ... + 9164698.

It is an arithmetic number, because the mean of its divisors is an integer number (11622858561).

Almost surely, 2103131111310 is an apocalyptic number.

103131111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131111310 is a deficient number, since it is larger than the sum of its proper divisors (82834625666).

103131111310 is a wasteful number, since it uses less digits than its factorization.

103131111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318707.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 103131111310 its reverse (13111131301), we get a palindrome (116242242611).

The spelling of 103131111310 in words is "one hundred three billion, one hundred thirty-one million, one hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 563 1126 2815 5630 18318137 36636274 91590685 183181370 10313111131 20626222262 51565555655 103131111310