10103531 has 2 divisors, whose sum is σ = 10103532. Its totient is φ = 10103530.

The previous prime is 10103521. The next prime is 10103557. The reversal of 10103531 is 13530101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10103531 is a prime.

It is a super-2 number, since 2×10103531² = 204162677335922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10103521) 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, 5051765 + 5051766.

It is an arithmetic number, because the mean of its divisors is an integer number (5051766).

Almost surely, 2^10103531 is an apocalyptic number.

10103531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103531 is an equidigital number, since it uses as much as digits as its factorization.

10103531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 10103531 is about 3178.6051972524. The cubic root of 10103531 is about 216.1844204009.

Adding to 10103531 its reverse (13530101), we get a palindrome (23633632).

The spelling of 10103531 in words is "ten million, one hundred three thousand, five hundred thirty-one".