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131310132103 = 31179175313499
BaseRepresentation
bin111101001001010110…
…0011001101110000111
3110112221020011212000001
41322102230121232013
54122410343211403
6140153435502131
712325662464323
oct1722254315607
9415836155001
10131310132103
1150763167837
12215475b7947
13c4c8449527
1464d94a6983
153637da5c1d
hex1e92b19b87

131310132103 has 16 divisors (see below), whose sum is σ = 136391040000. Its totient is φ = 126282968640.

The previous prime is 131310132101. The next prime is 131310132169. The reversal of 131310132103 is 301231013131.

It is a cyclic number.

It is not a de Polignac number, because 131310132103 - 21 = 131310132101 is a prime.

It is a super-2 number, since 2×1313101321032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310132101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720648 + ... + 9734146.

It is an arithmetic number, because the mean of its divisors is an integer number (8524440000).

Almost surely, 2131310132103 is an apocalyptic number.

131310132103 is a deficient number, since it is larger than the sum of its proper divisors (5080907897).

131310132103 is a wasteful number, since it uses less digits than its factorization.

131310132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131310132103 its reverse (301231013131), we get a palindrome (432541145234).

The spelling of 131310132103 in words is "one hundred thirty-one billion, three hundred ten million, one hundred thirty-two thousand, one hundred three".

Divisors: 1 31 179 1753 5549 13499 54343 313787 418469 2416321 9727397 23663747 74905951 733576157 4235810713 131310132103