103645331 has 2 divisors, whose sum is σ = 103645332. Its totient is φ = 103645330.

The previous prime is 103645319. The next prime is 103645363. The reversal of 103645331 is 133546301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103645331 - 2¹⁴ = 103628947 is a prime.

It is a super-2 number, since 2×103645331² = 21484709276199122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103645331.

It is not a weakly prime, because it can be changed into another prime (103645301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51822665 + 51822666.

It is an arithmetic number, because the mean of its divisors is an integer number (51822666).

Almost surely, 2^103645331 is an apocalyptic number.

103645331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103645331 is an equidigital number, since it uses as much as digits as its factorization.

103645331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 103645331 is about 10180.6350980673. The cubic root of 103645331 is about 469.7317482377.

The spelling of 103645331 in words is "one hundred three million, six hundred forty-five thousand, three hundred thirty-one".