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131121311114141 = 1256910432119589
BaseRepresentation
bin11101110100000100001111…
…001010111110001110011101
3122012021002000121200211020022
4131310010033022332032131
5114141242421121123031
61142512144310401525
736422126216003225
oct3564041712761635
9565232017624208
10131121311114141
1138863265886747
12128582319602a5
1358218c0564a6a
14245443bb23085
151025b75e4d97b
hex77410f2be39d

131121311114141 has 4 divisors (see below), whose sum is σ = 131131743246300. Its totient is φ = 131110878981984.

The previous prime is 131121311114113. The next prime is 131121311114197. The reversal of 131121311114141 is 141411113121131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129500644627225 + 1620666486916 = 11379835^2 + 1273054^2 .

It is a cyclic number.

It is not a de Polignac number, because 131121311114141 - 214 = 131121311097757 is a prime.

It is a super-2 number, since 2×1311213111141412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131121311114141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121311114041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216047226 + ... + 5216072363.

It is an arithmetic number, because the mean of its divisors is an integer number (32782935811575).

Almost surely, 2131121311114141 is an apocalyptic number.

It is an amenable number.

131121311114141 is a deficient number, since it is larger than the sum of its proper divisors (10432132159).

131121311114141 is a wasteful number, since it uses less digits than its factorization.

131121311114141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432132158.

The product of its digits is 288, while the sum is 26.

Adding to 131121311114141 its reverse (141411113121131), we get a palindrome (272532424235272).

The spelling of 131121311114141 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred eleven million, one hundred fourteen thousand, one hundred forty-one".

Divisors: 1 12569 10432119589 131121311114141