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131110231123011 = 37223140571991681
BaseRepresentation
bin11101110011111001111010…
…110000001010010001000011
3122012020000102102201221210110
4131303321322300022101003
5114141102223131414021
61142503113024002403
736421254515432130
oct3563717260122103
9565200372657713
10131110231123011
113885959a483388
121285605b160403
135820845bb10aa
142453aaa38d587
15102572835d476
hex773e7ac0a443

131110231123011 has 32 divisors (see below), whose sum is σ = 200697301905408. Its totient is φ = 74578824069120.

The previous prime is 131110231123009. The next prime is 131110231123019. The reversal of 131110231123011 is 110321132011131.

It is not a de Polignac number, because 131110231123011 - 21 = 131110231123009 is a prime.

It is a super-2 number, since 2×1311102311230112 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (131110231123019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64833091 + ... + 66824771.

It is an arithmetic number, because the mean of its divisors is an integer number (6271790684544).

Almost surely, 2131110231123011 is an apocalyptic number.

131110231123011 is a deficient number, since it is larger than the sum of its proper divisors (69587070782397).

131110231123011 is a wasteful number, since it uses less digits than its factorization.

131110231123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005971.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 131110231123011 its reverse (110321132011131), we get a palindrome (241431363134142).

The spelling of 131110231123011 in words is "one hundred thirty-one trillion, one hundred ten billion, two hundred thirty-one million, one hundred twenty-three thousand, eleven".

Divisors: 1 3 7 21 223 669 1561 4683 14057 42171 98399 295197 1991681 3134711 5975043 9404133 13941767 21942977 41825301 65828931 444144863 1332434589 3109014041 9327042123 27997059817 83991179451 195979418719 587938256157 6243344339191 18730033017573 43703410374337 131110231123011