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131313210031103 = 186770333802909
BaseRepresentation
bin11101110110110110111101…
…001111001111101111111111
3122012221102100101100211222012
4131312312331033033233333
5114202413423231443403
61143140242250241435
736442031520614312
oct3566667517175777
9565842311324865
10131313210031103
113892768a8092a1
121288946842627b
135836a2340b379
14245d843d46979
15102ab580abed8
hex776dbd3cfbff

131313210031103 has 4 divisors (see below), whose sum is σ = 131383543835880. Its totient is φ = 131242876226328.

The previous prime is 131313210031097. The next prime is 131313210031169. The reversal of 131313210031103 is 301130012313131.

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

It is a cyclic number.

It is not a de Polignac number, because 131313210031103 - 214 = 131313210014719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313410031103) 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, 35166899588 + ... + 35166903321.

It is an arithmetic number, because the mean of its divisors is an integer number (32845885958970).

Almost surely, 2131313210031103 is an apocalyptic number.

131313210031103 is a deficient number, since it is larger than the sum of its proper divisors (70333804777).

131313210031103 is an equidigital number, since it uses as much as digits as its factorization.

131313210031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70333804776.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 131313210031103 its reverse (301130012313131), we get a palindrome (432443222344234).

The spelling of 131313210031103 in words is "one hundred thirty-one trillion, three hundred thirteen billion, two hundred ten million, thirty-one thousand, one hundred three".

Divisors: 1 1867 70333802909 131313210031103