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131130123140121 = 3760710287136043
BaseRepresentation
bin11101110100001100011100…
…011010001011110000011001
3122012021220202202002010100220
4131310030130122023300121
5114141413443010440441
61142520202534550253
736422560456665120
oct3564143432136031
9565256682063326
10131130123140121
1138866a77a59246
1212859a90b08389
1358226960ab811
142454a361a6ab7
151025ede899466
hex77431c68bc19

131130123140121 has 16 divisors (see below), whose sum is σ = 200146518872064. Its totient is φ = 74808053297424.

The previous prime is 131130123140111. The next prime is 131130123140167. The reversal of 131130123140121 is 121041321031131.

It is not a de Polignac number, because 131130123140121 - 213 = 131130123131929 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131130123140091 and 131130123140100.

It is not an unprimeable number, because it can be changed into a prime (131130123140111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5143555275 + ... + 5143580768.

It is an arithmetic number, because the mean of its divisors is an integer number (12509157429504).

Almost surely, 2131130123140121 is an apocalyptic number.

It is an amenable number.

131130123140121 is a deficient number, since it is larger than the sum of its proper divisors (69016395731943).

131130123140121 is a wasteful number, since it uses less digits than its factorization.

131130123140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287136660.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 131130123140121 its reverse (121041321031131), we get a palindrome (252171444171252).

The spelling of 131130123140121 in words is "one hundred thirty-one trillion, one hundred thirty billion, one hundred twenty-three million, one hundred forty thousand, one hundred twenty-one".

Divisors: 1 3 7 21 607 1821 4249 12747 10287136043 30861408129 72009952301 216029856903 6244291578101 18732874734303 43710041046707 131130123140121