10318531 has 2 divisors, whose sum is σ = 10318532. Its totient is φ = 10318530.

The previous prime is 10318489. The next prime is 10318549. The reversal of 10318531 is 13581301.

It is a strong prime.

It is an emirp because it is prime and its reverse (13581301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10318531 - 2¹⁹ = 9794243 is a prime.

It is a super-2 number, since 2×10318531² = 212944163995922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10312531) 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, 5159265 + 5159266.

It is an arithmetic number, because the mean of its divisors is an integer number (5159266).

Almost surely, 2^10318531 is an apocalyptic number.

10318531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10318531 is an equidigital number, since it uses as much as digits as its factorization.

10318531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10318531 is about 3212.2470328417. The cubic root of 10318531 is about 217.7071158732.

Adding to 10318531 its reverse (13581301), we get a palindrome (23899832).

The spelling of 10318531 in words is "ten million, three hundred eighteen thousand, five hundred thirty-one".