103565131 has 2 divisors, whose sum is σ = 103565132. Its totient is φ = 103565130.

The previous prime is 103565101. The next prime is 103565149. The reversal of 103565131 is 131565301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103565131 - 2¹⁹ = 103040843 is a prime.

It is a super-3 number, since 3×103565131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 103565096 and 103565105.

It is not a weakly prime, because it can be changed into another prime (103565101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51782565 + 51782566.

It is an arithmetic number, because the mean of its divisors is an integer number (51782566).

Almost surely, 2^103565131 is an apocalyptic number.

103565131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103565131 is an equidigital number, since it uses as much as digits as its factorization.

103565131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 103565131 is about 10176.6954852742. The cubic root of 103565131 is about 469.6105586419.

It can be divided in two parts, 1035 and 65131, that added together give a palindrome (66166).

The spelling of 103565131 in words is "one hundred three million, five hundred sixty-five thousand, one hundred thirty-one".