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103130131193 is a prime number
BaseRepresentation
bin110000000001100001…
…0001110101011111001
3100212012022112111000122
41200003002032223321
53142202303144233
6115213300343025
710310442436265
oct1400302165371
9325168474018
10103130131193
113a8122a7a91
1217ba20a4a75
13995715738b
144dc4a5d0a5
152a38e35d98
hex180308eaf9

103130131193 has 2 divisors, whose sum is σ = 103130131194. Its totient is φ = 103130131192.

The previous prime is 103130131177. The next prime is 103130131201. The reversal of 103130131193 is 391131031301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67076856064 + 36053275129 = 258992^2 + 189877^2 .

It is an emirp because it is prime and its reverse (391131031301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103130131193 - 24 = 103130131177 is a prime.

It is not a weakly prime, because it can be changed into another prime (103130131393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565065596 + 51565065597.

It is an arithmetic number, because the mean of its divisors is an integer number (51565065597).

Almost surely, 2103130131193 is an apocalyptic number.

It is an amenable number.

103130131193 is a deficient number, since it is larger than the sum of its proper divisors (1).

103130131193 is an equidigital number, since it uses as much as digits as its factorization.

103130131193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 26.

Adding to 103130131193 its reverse (391131031301), we get a palindrome (494261162494).

The spelling of 103130131193 in words is "one hundred three billion, one hundred thirty million, one hundred thirty-one thousand, one hundred ninety-three".