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131243434020110 = 25122340387265711
BaseRepresentation
bin11101110101110101111110…
…010000111000110100001110
3122012200202020120111020020202
4131311311332100320310032
5114200243023102120420
61143044222400213502
736434011433403656
oct3565657620706416
9565622216436222
10131243434020110
1138900033aa4505
1212877a3460a292
1358302834c9cb9
14245a304d99366
151028e22493575
hex775d7e438d0e

131243434020110 has 32 divisors (see below), whose sum is σ = 236438088072192. Its totient is φ = 52452952325280.

The previous prime is 131243434019947. The next prime is 131243434020119. The reversal of 131243434020110 is 11020434342131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131243434020119) 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, 493800155 + ... + 494065865.

It is an arithmetic number, because the mean of its divisors is an integer number (7388690252256).

Almost surely, 2131243434020110 is an apocalyptic number.

131243434020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131243434020110 is a deficient number, since it is larger than the sum of its proper divisors (105194654052082).

131243434020110 is a wasteful number, since it uses less digits than its factorization.

131243434020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307328.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131243434020110 its reverse (11020434342131), we get a palindrome (142263868362241).

The spelling of 131243434020110 in words is "one hundred thirty-one trillion, two hundred forty-three billion, four hundred thirty-four million, twenty thousand, one hundred ten".

Divisors: 1 2 5 10 1223 2446 6115 12230 40387 80774 201935 265711 403870 531422 1328555 2657110 49393301 98786602 246966505 324964553 493933010 649929106 1624822765 3249645530 10731270157 21462540314 53656350785 107312701570 13124343402011 26248686804022 65621717010055 131243434020110