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10131031061 is a prime number
BaseRepresentation
bin10010110111101101…
…10100010000010101
3222011001022200221122
421123312310100111
5131222020443221
64353143053325
7506025225464
oct113366642025
928131280848
1010131031061
114329780648
121b68a41245
13c55ba7348
146c17109db
153e4641eab
hex25bdb4415

10131031061 has 2 divisors, whose sum is σ = 10131031062. Its totient is φ = 10131031060.

The previous prime is 10131031049. The next prime is 10131031103. The reversal of 10131031061 is 16013013101.

10131031061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9734782225 + 396248836 = 98665^2 + 19906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10131031061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10131031661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065515530 + 5065515531.

It is an arithmetic number, because the mean of its divisors is an integer number (5065515531).

Almost surely, 210131031061 is an apocalyptic number.

It is an amenable number.

10131031061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131031061 is an equidigital number, since it uses as much as digits as its factorization.

10131031061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 10131031061 its reverse (16013013101), we get a palindrome (26144044162).

The spelling of 10131031061 in words is "ten billion, one hundred thirty-one million, thirty-one thousand, sixty-one".