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131121304513627 is a prime number
BaseRepresentation
bin11101110100000100001110…
…110001110010110001011011
3122012021002000011021111000211
4131310010032301302301123
5114141242412423414002
61142512143513111551
736422126105622601
oct3564041661626133
9565232004244024
10131121304513627
113886326208867a
121285822b6b85b7
1358218bc09362c
14245443acc5871
151025b75597dd7
hex77410ec72c5b

131121304513627 has 2 divisors, whose sum is σ = 131121304513628. Its totient is φ = 131121304513626.

The previous prime is 131121304513523. The next prime is 131121304513643. The reversal of 131121304513627 is 726315403121131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131121304513627 - 27 = 131121304513499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131121304513627.

It is not a weakly prime, because it can be changed into another prime (131121304516627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560652256813 + 65560652256814.

It is an arithmetic number, because the mean of its divisors is an integer number (65560652256814).

Almost surely, 2131121304513627 is an apocalyptic number.

131121304513627 is a deficient number, since it is larger than the sum of its proper divisors (1).

131121304513627 is an equidigital number, since it uses as much as digits as its factorization.

131121304513627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

Adding to 131121304513627 its reverse (726315403121131), we get a palindrome (857436707634758).

The spelling of 131121304513627 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred four million, five hundred thirteen thousand, six hundred twenty-seven".