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131223044414011 = 11251237120045281
BaseRepresentation
bin11101110101100010111110…
…111100101101101000111011
3122012121210121120211220220111
4131311202332330231220323
5114144424243332222021
61143031011232205151
736432360240535144
oct3565427674555073
9565553546756814
10131223044414011
11388a2420659680
1212873aa40997b7
13582b3841aca14
14245932d056acb
15102862c4188e1
hex7758bef2da3b

131223044414011 has 16 divisors (see below), whose sum is σ = 143783364525696. Its totient is φ = 118768284000000.

The previous prime is 131223044413933. The next prime is 131223044414023. The reversal of 131223044414011 is 110414440322131.

It is a cyclic number.

It is not a de Polignac number, because 131223044414011 - 29 = 131223044413499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223044214011) 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, 3476310 + ... + 16568971.

It is an arithmetic number, because the mean of its divisors is an integer number (8986460282856).

Almost surely, 2131223044414011 is an apocalyptic number.

131223044414011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131223044414011 is a deficient number, since it is larger than the sum of its proper divisors (12560320111685).

131223044414011 is a wasteful number, since it uses less digits than its factorization.

131223044414011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20047914.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 131223044414011 its reverse (110414440322131), we get a palindrome (241637484736142).

The spelling of 131223044414011 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, forty-four million, four hundred fourteen thousand, eleven".

Divisors: 1 11 251 2371 2761 26081 595121 6546331 20045281 220498091 5031365531 47527361251 55345020841 522800973761 11929367674001 131223044414011